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Nonlinear Singular BVP of Limit Circle Type and the Presence of Reverse‐Ordered Upper and Lower Solutions
We consider the following class of nonlinear singular differential equation −( p ( x ) y ′ ( x )) ′ + q ( x ) f ( x , y ( x ), p ( x ) y ′ ( x )) = 0, 0 < x < 1 …