Oscillations of higher order neutral differential equations
Chuanxi, Q., Ladas, G., Yan, J. (1991)
Portugaliae mathematica
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Chuanxi, Q., Ladas, G., Yan, J. (1991)
Portugaliae mathematica
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Elabbasy, E., Hassan, T., Saker, S. (2005)
Serdica Mathematical Journal
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2000 Mathematics Subject Classification: 34K15, 34C10. We obtain necessary and sufficient conditions for the oscillation of all solutions of neutral differential equation with mixed (delayed and advanced) arguments ...
Małgorzata Migda, Ewa Schmeidel (1999)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
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Al-Bassam, M.A. (1970)
Portugaliae mathematica
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Carlitz, L. (1962)
Portugaliae mathematica
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Παναγιώτης Τελώνης (1989-1990)
Ευκλείδης Α
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L. Carlitz (1964)
Rendiconti del Seminario Matematico della Università di Padova
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Jerzy Popenda, Ewa Schmeidel (1994)
Publicacions Matemàtiques
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In the paper sufficient conditions for the difference equation : Δxn = Σi=0 r an (i) xn+i to have a solution which tends to a constant, are given. Applying these conditions, an asymptotic formula for a solution of an m-th order equation is presented.