Oscillatory Criteria for Nonlinear nth-Order Differential Equations with Quasiderivatives
Keyword(s):
Abstract Sufficient conditions are given for the existence of oscillatory proper solutions of a differential equation with quasiderivatives Lny = f(t, L 0 y, . . . , L n–1 y) under the validity of the sign condition f(t, x 1, . . . , xn )x 1 ≤ 0, f(t, 0, x 2, . . . , xn ) = 0 on .
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