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Scientific notes and problems
On a criterion for the finiteness of the defect-index of an Hermitian operator
K. M. Fishman, I. V. Gel'man
Received: 21.06.1955
Citation:
K. M. Fishman, I. V. Gel'man, “On a criterion for the finiteness of the defect-index of an Hermitian operator”, Russian Math. Surveys, 11:3 (1956)
Linking options:
https://www.mathnet.ru/eng/rm7808 https://www.mathnet.ru/eng/rm/v11/i3/p185
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