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MATHEMATICS
Some tests of completeness of the system of root vectors of a linear operator and the summability of series in that system
A. S. Markus Institute of Physics and Mathematics the Moldavian branch of the USSR Academy of Sciences
Citation:
A. S. Markus, “Some tests of completeness of the system of root vectors of a linear operator and the summability of series in that system”, Dokl. Akad. Nauk SSSR, 155:4 (1964), 753–756
Linking options:
https://www.mathnet.ru/eng/dan29369 https://www.mathnet.ru/eng/dan/v155/i4/p753
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