Existence and uniqueness of initial value problems for a class of second-order differential equations
1989 ◽
Vol 82
(2)
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pp. 314-321
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1999 ◽
Vol 236
(2)
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pp. 327-349
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1981 ◽
Vol 7
(2)
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pp. 111-114
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2009 ◽
Vol 22
(8)
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pp. 1248-1251
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1981 ◽
Vol 5
(1)
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pp. 53-56
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1984 ◽
Vol 4
(1)
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pp. 117-125
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1982 ◽
Vol 8
(2)
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pp. 101-104
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