MR0673706
Ladas, G. and Stavroulakis, I. P.
G. LADAS and I. P. STAVROULAKIS
On delay differential inequalities of first order
Fako de l'Funkcialaj Ekvacioj Japana Matematika Societo. Funkcialaj Ekvaciog. Serio Internacia
25
1982
105--113
http://fe.math.kobe-u.ac.jp/FE/Free/vol25/fe25-1-8.pdf
http://fe.math.kobe-u.ac.jp/FE/FE_pdf_with_bookmark/FE21-30-en_KML/fe25-105-113/fe25-105-113.pdf
http://www.ams.org/mathscinet-getitem?mr=MR0673706
fe25-105-113
1982
On Delay Differential Inequalities of First Order
LADAS, G.; STAVROULAKIS, I. P.
LADAS, G.; STAVROULAKIS, I. P.
1
Kamenskii, G. A.
On the solutions of linear homogeneous second order differential equations of the unstable type with retarded argument
2
Trudy Sem. Teor. Differecial Uravnenii s otklon, Argumentom Univ. Druzby Narodov Patrisa Lumumby
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MR0173066
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Kusano, T.; Onose, H.
Oscillations of Functional Differential Equations with Retarded Argument
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Ladas, G.; Lakshmikantham, V.; Papadakis, J. S.
Oscillations of higher-order retarded differential equations generated by the retarded argument
Delay and Functional Differential Equations and their Applications, Academic Press, New York
1972
219-231
MR0387776
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Ladas, G.
Sharp Conditions for Oscillations Caused by Delays
Applicable Anal.
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MR0539534
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Naito, M.
Oscillations of differential inequalities with retarded arguments
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1975
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MR0374614
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1975
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MR0380059
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Bounded oscillations under the effect of retardations for differential equations of arbitrary order
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