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MATHEMATICS
Necessary conditions for the unconditional basis property of
systems of root functions of nonselfadjoint differential operators
V. D. Budaev Lomonosov Moscow State University
Citation:
V. D. Budaev, “Necessary conditions for the unconditional basis property of
systems of root functions of nonselfadjoint differential operators”, Dokl. Akad. Nauk, 329:4 (1993), 396–399; Dokl. Math., 47:2 (1993), 257–261
Linking options:
https://www.mathnet.ru/eng/dan5233 https://www.mathnet.ru/eng/dan/v329/i4/p396
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