Self-adjoint boundary problems with discrete spectrum generated by the sturm-liouville equation with unbounded operator coefficient
1972 ◽
Vol 5
(4)
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pp. 322-323
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1971 ◽
Vol 5
(1)
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pp. 9-18
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2011 ◽
Vol 218
(5)
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pp. 2113-2121
1968 ◽
Vol 2
(2)
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pp. 153-157
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1978 ◽
Vol 12
(1)
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pp. 52-53
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1996 ◽
Vol 97
(1)
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pp. 19-52
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1976 ◽
Vol 10
(1)
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pp. 145-180
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