A linear system of differential equations with small parameter at a part of derivatives, a deviation of the argument, and a turning point
Keyword(s):
2010 ◽
Vol 62
(5)
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pp. 716-738
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2003 ◽
Vol 35
(7)
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pp. 15-21
1950 ◽
Vol 29
(1-4)
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pp. 300-302
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2009 ◽
Vol 61
(11)
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pp. 1780-1797
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Keyword(s):
1991 ◽
Vol 118
(1-2)
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pp. 35-48