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D. Willett

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All published works
Action Title Year Authors
+ PDF Chat Differential inequalities and the asymptotics of second order nonlinear differential equations 1978 D. Willett
+ Second Order Singular Boundary Value Problems 1977 T. C. Lee
D. Willett
+ An Elementary Proof of the Existence of Solutions to Second Order Nonlinear Boundary Value Problems 1974 James S. Muldowney
D. Willett
+ PDF Chat An Intermediate Value Property for Operators with Applications to Integral and Differential Equations 1974 James S. Muldowney
D. Willett
+ PDF Chat A Generalization of Čaplygin's Inequality with Applications to Singular Boundary Value Problems 1973 D. Willett
+ PDF Chat On the oscillation of ty" + p(t)y = 0 with ʃ p almost periodic 1973 D. Willett
+ Errata: Disconjugacy Tests for Singular Linear Differential Equations 1972 D. Willett
+ PDF Chat Oscillation on Finite or Infinite Intervals of Second Order Linear Differential Equations<sup>(1)</sup> 1971 D. Willett
+ Disconjugacy Tests for Singular Linear Differential Equations 1971 D. Willett
+ PDF Chat Generalized de la Vallée Poussin Disconjugacy Tests for Linear Differential Equations<sup>(1)</sup> 1971 D. Willett
+ PDF Chat A necessary and sufficient condition for the oscillation of some linear second order differential equations 1971 D. Willett
+ PDF Chat Asymptotic Behaviour of Disconjugate <i>n</i>th Order Differential Equations 1971 D. Willett
+ Lectures on ordinary differential equations 1970 Robert McKelvey
John H. Barrett
Lloyd Jackson
Robert E. O’Malley
D. Willett
+ Uniqueness for second order nonlinear boundary value problems with applications to almost periodic solutions 1969 D. Willett
+ Classification of second order linear differential equations with respect to oscillation 1969 D. Willett
+ PDF Chat On the oscillatory behavior of the solutions of second order linear differential equations 1969 D. Willett
+ PDF Chat Summability criteria for oscillation of second order linear differential equations 1968 W. J. Coles
D. Willett
+ Some properties of the solutions of [p(t) x′]′ + q(t) f(x) = 0 1968 D. Willett
J. S. W. Wong
+ The Existence-Uniqueness Theorem for an nth Order Linear Ordinary Differential Equation 1968 D. Willett
+ Some boundedness and unboundedness results for the equationx?+a(t)x 2n?1=0 1967 D. Willett
J. S. W. Wong
+ Uniqueness of Solutions of Boundary Value Problems 1967 D. Willett
+ PDF Chat On the asymptotic behavior of the solutions of $x^{\prime\prime}+a(t)x=0$. 1967 A. Meir
D. Willett
J. S. W. Wong
+ PDF Chat A stability condition for $y^{\prime\prime}+p(x)y=0$. 1966 A. Meir
D. Willett
J. S. W. Wong
+ On a nonlinear boundary value problem with a small parameter multiplying the highest derivative 1966 D. Willett
+ PDF Chat On an example in second order linear ordinary differential equations 1966 D. Willett
+ On the discrete analogues of some generalizations of Gronwall's inequality 1965 D. Willett
J. S. W. Wong
+ PDF Chat A linear generalization of Gronwall’s inequality 1965 D. Willett
+ Nonlinear vector integral equations as contraction mappings 1964 D. Willett
Common Coauthors
Coauthor Papers Together
J. S. W. Wong 5
A. Meir 2
James S. Muldowney 2
Robert E. O’Malley 1
Lloyd Jackson 1
T. C. Lee 1
John H. Barrett 1
Robert McKelvey 1
W. J. Coles 1
Commonly Cited References
Action Title Year Authors # of times referenced
+ PDF Chat On the oscillatory behavior of the solutions of second order linear differential equations 1969 D. Willett
 4
+ Classification of second order linear differential equations with respect to oscillation 1969 D. Willett
 4
+ Nonlinear vector integral equations as contraction mappings 1964 D. Willett
 3
+ Nonlinear boundary value problems for second order differential equations 1970 Lynn Erbe
 3
+ Note on the Derivatives with Respect to a Parameter of the Solutions of a System of Differential Equations 1919 T. H. Gronwall
 3
+ PDF Chat Asymptotic Behaviour of Disconjugate <i>n</i>th Order Differential Equations 1971 D. Willett
 3
+ Infinite interval boundary value problems for y″=f(x,y) 1967 J. Bebernes
Lloyd Jackson
 2
+ Subfunctions and second-order ordinary differential inequalities 1968 Lloyd Jackson
 2
+ <i>Theory of Ordinary Differential Equations</i> 1956 Earl A. Coddington
Norman Levinson
T. Teichmann
 2
+ PDF Chat Sur une inégalité de C. de la Vallée Poussin dans la théorie de l'équation différentielle linéaire du second ordre 1959 Z. Opial
 2
+ PDF Chat Oscillation on Finite or Infinite Intervals of Second Order Linear Differential Equations<sup>(1)</sup> 1971 D. Willett
 2
+ Periodic solutions of nonlinear second order differential equations 1967 Klaus Schmitt
 2
+ PDF Chat A priori bounds for boundary sets 1971 J. Bebernes
Ross Fraker
 2
+ Asymptotic Behavior and Stability Problems in Ordinary Differential Equations 1963 Lamberto Cesari
 2
+ Asymptotic Behavior and Stability Problems in Ordinary Differential Equations 1959 Lamberto Cesari
 2
+ On an Oscillation Criterion of Liapounoff 1951 Philip Hartman
Aurel Wintner
 2
+ Kriterien für die Oszillation der Lösungen der Differentialgleichung $[p(x)y']'+q(x)y=0$ 1959 Miloš Ráb
 2
+ Properties of solutions ofu?+g(t) u 2n?1 =0, II 1965 W. R. Utz
 2
+ PDF Chat An Oscillation Criterion for Second-Order Linear Differential Equations 1968 W. J. Coles
 2
+ Convergence of Successive Approximations for Nonlinear Two-Point Boundary Value Problems 1967 W. J. Coles
Thomas L. Sherman
 2
+ PDF Chat An oscillation criterion for second-order linear differential equations 1968 W. J. Coles
 2
+ PDF Chat Concerning the zeros of the solutions of certain differential equations 1918 William Benjamin Fite
 2
+ A generalization of a lemma of bellman and its application to uniqueness problems of differential equations 1956 I. Bihari
 2
+ Equazioni differenziali nel campo reale 1948 Giovanni Sansone
 2
+ PDF Chat An Intermediate Value Property for Operators with Applications to Integral and Differential Equations 1974 James S. Muldowney
D. Willett
 2
+ PDF Chat On Nonoscillatory Linear Differential Equations of Second Order 1977 Philip Hartman
 2
+ PDF Chat On second-order non-linear oscillation 1955 F. V. Atkinson
 2
+ Boundary-value problems for second-order ordinary differential equations 1967 Keith Schrader
 2
+ Some Recent Results for Almost Periodic Solutions of Differential Equations 1965 George Seifert
 1
+ PDF Chat Properties of solutions of<i>n</i>-th order linear differential equations 1965 Thomas Sherman
 1
+ Comparison theorems for nonlinear differential equations 1967 Lloyd Jackson
Keith Schrader
 1
+ Singular perturbations of a boundary value problem for a nonlinear system of differential equations 1962 William A. Harris
 1
+ PDF Chat On self-adjoint differential equations of second order 1953 Ruth Lind Potter
 1
+ PDF Chat Bounds on the norm of a solution of a general differential equation. 1960 C. E. Langenhop
 1
+ PDF Chat Upper and lower bounds of the norm of solutions of differential systems 1963 V. Lakshmikantham
 1
+ PDF Chat The asymptotic behavior of a class of nonlinear differential equations 1967 Donald S. Cohen
 1
+ The asymptotic behavior of solutions for a class of differential equations 2007 N. N. Konechnaya
 1
+ The detection of the oscillation of solutions of a second order linear differential equation 1950 Walter Leighton
 1
+ PDF Chat A generalized solution of the boundary value problem for<i>y</i><sup>′′</sup>=<i>f</i>(<i>x, y, y</i><sup>′</sup>) 1962 Leonard Fountain
Lloyd Jackson
 1
+ The first and second boundary value problems for nonlinear second order differential equations 1966 Paul B. Bailey
L. F. Shampine
Paul Waltman
 1
+ Numerical methods and existence theorems for ordinary differential equations 1960 T. E. Hull
W. A. J. Luxemburg
 1
+ A generalized sturm comparison theorem and oscillation coefficients 1969 A. M. Fink
Donald F. St. Mary
 1
+ PDF Chat Oscillation criteria for second-order linear differential equations 1957 Zeev Nehari
 1
+ PDF Chat On the zeros of solutions of ordinary differential equations of the second order 1966 Andy Galbraith
 1
+ Asymptotic behavior of solutions of perturbed disconjugate equations 1972 William F. Trench
 1
+ Periodic solutions of linear second order differential equations with deviating argument 1970 Klaus Schmitt
 1
+ Disconjugacy Tests for Singular Linear Differential Equations 1971 D. Willett
 1
+ PDF Chat Non-oscillatory linear differential equations of the second order 1901 Maxime Bôcher
 1
+ Singular perturbations of boundary value problems for nonlinear differential equations of the second order 1956 Wolfgang Wasow
 1
+ Ein neuer Existenzbeweis f�r die Integrale der Differentialgleichungy?=f(x,y) 1915 Oskar Perron
 1