Oscillatory solutions of second order ordinary differential equations
A. Lasota, James A. Yorke (1971)
Annales Polonici Mathematici
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A. Lasota, James A. Yorke (1971)
Annales Polonici Mathematici
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D. Willett (1969)
Annales Polonici Mathematici
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Michal Greguš, Milan Gera (1983)
Annales Polonici Mathematici
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Giorgadze, G. (1995)
Memoirs on Differential Equations and Mathematical Physics
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Švec, M.
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Zdzisław Frydrych (1975)
Annales Polonici Mathematici
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Jozef Rovder (1975)
Matematický časopis
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Gevorg Avagovich Grigorian (2018)
Archivum Mathematicum
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The Riccati equation method is used for study the oscillatory and non oscillatory behavior of solutions of systems of two first order linear two by two dimensional matrix differential equations. An integral and an interval oscillatory criteria are obtained. Two non oscillatory criteria are obtained as well. On an example, one of the obtained oscillatory criteria is compared with some well known results.