Singular perturbations of boundary value problems for nonlinear differential equations of the second order
1956 ◽
Vol 9
(1)
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pp. 93-113
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2004 ◽
Vol 290
(2)
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pp. 620-638
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2007 ◽
Vol 194
(2)
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pp. 354-365
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2011 ◽
Vol 217
(14)
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pp. 6516-6525
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1988 ◽
Vol 8
(3)
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pp. 239-248
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