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On the existence of global classical solution of initial-boundary value problem for □<i>u</i>−<i>u</i><sup>3</sup>=<i>f</i>
In this paper we shall give a sufficient condition under which an initial-boundary value problem forDw-u 3 = / has a global classical solution.1. Introduction.Let ΩC/? 3 be an open bounded domain with sufficiently smooth boundary dΩ.In this note we are concerned with the existence of a global solution of …