Approximate Solutions of Nonlinear Boundary Value Problems Involving a Small Parameter
1974 ◽
Vol 26
(3)
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pp. 554-567
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1978 ◽
Vol 9
(4)
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pp. 719-729
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2021 ◽
Vol 7
(5)
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2014 ◽
Vol 1
(4(67))
◽
pp. 4
1990 ◽
Vol 147
(1)
◽
pp. 122-133
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