Revisited version of Weyl’s limit-point limit-circle criterion for essential self-adjointness
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1983 ◽
Vol 50
(3)
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pp. 444-464
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1971 ◽
Vol s2-4
(2)
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pp. 245-256
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1975 ◽
Vol 72
(3)
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pp. 219-224
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1986 ◽
Vol 103
(3-4)
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pp. 215-228
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