Existence principles for higher-order nonlocal boundary-value problems and their applications to singular Sturm-Liouville problems
2008 ◽
Vol 60
(2)
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pp. 277-298
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2020 ◽
Vol 13
(1)
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pp. 33-47
2008 ◽
Vol 56
(1)
◽
pp. 127-142
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1998 ◽
Vol 13
(1)
◽
pp. 1-7
2019 ◽
Vol 618
◽
pp. 012091
2020 ◽
Vol 13
(1)
◽
pp. 33-47