Oscillatory and periodic solutions for systems of two first order linear differential equations with piecewise constant argument
1991 ◽
Vol 7
(4)
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pp. 354-359
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2002 ◽
Vol 267
(1)
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pp. 173-193
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2012 ◽
Vol 218
(19)
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pp. 9647-9656
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Keyword(s):
1973 ◽
Vol 49
(2)
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pp. 83-87
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Keyword(s):
Keyword(s):
1994 ◽
Vol 166
(2)
◽
pp. 173-187
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