On self-adjoint domains of 2-nd order differential operators in limit-circle case
1985 ◽
Vol 1
(3)
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pp. 225-230
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1972 ◽
Vol s2-4
(4)
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pp. 741-744
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2010 ◽
Vol 284
(2-3)
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pp. 342-354
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Keyword(s):
1945 ◽
Vol 12
(2)
◽
pp. 255-273
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1995 ◽
Vol 125
(6)
◽
pp. 1331-1348
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Keyword(s):
Keyword(s):