Positive solutions of singular sub-linear boundary value problems for fourth-order and second-order differential equation systems
2008 ◽
Vol 197
(1)
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pp. 135-148
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2004 ◽
Vol 148
(3)
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pp. 645-663
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1975 ◽
Vol 26
(4)
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pp. 436-439
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1996 ◽
Vol 37
(6)
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pp. 1228-1236
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1972 ◽
Vol 12
(1)
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pp. 129-138
2007 ◽
Vol 328
(2)
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pp. 1255-1267
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1972 ◽
Vol 51
(4)
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pp. 411-413
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2018 ◽
Vol 52
(7)
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pp. 728-744
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