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Scientific notes and problems
A necessary and sufficient condition for the comparability of operators
P. N. Knyazev
Received: 20.09.1961
Citation:
P. N. Knyazev, “A necessary and sufficient condition for the comparability of operators”, Russian Math. Surveys, 18:4 (1963)
Linking options:
https://www.mathnet.ru/eng/rm6381 https://www.mathnet.ru/eng/rm/v18/i4/p151
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