Hypersingular nonlinear boundary-value problems with a small parameter
1978 ◽
Vol 9
(4)
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pp. 719-729
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1974 ◽
Vol 26
(3)
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pp. 554-567
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1990 ◽
Vol 147
(1)
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pp. 122-133
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1996 ◽
Vol 17
(5-6)
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pp. 605-637
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2021 ◽
Vol 81
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pp. 1-31
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