Oscillation criteria for higher order nonlinear functional differential equations with advanced argument von R. Koplatadze

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Oscillation criteria for first-order linear difference equations with several delay arguments von R. Koplatadze, S. Pinelas

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Oscillation criteria for difference equations with several retarded arguments von R. Koplatadze, N. Khachidze

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On higher order generalized Emden – Fowler differential equations with delay argument von A. Domoshnitsky, R. Koplatadze

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