On optimality of the discrepancy criterion in the problem of computing the values of unbounded operators
1971 ◽
Vol 11
(4)
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pp. 250-257
Keyword(s):
2007 ◽
Vol 140
(3)
◽
pp. 445-451
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Keyword(s):
1965 ◽
Vol 44
(1-4)
◽
pp. 297-312
◽
Keyword(s):