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MATHEMATICS
A condition for the unconditional basis property for systems of
eigen- and associated functions of ordinary differential operators
V. D. Budaev Smolensk branch of Moscow Power Engineering Institute
Citation:
V. D. Budaev, “A condition for the unconditional basis property for systems of
eigen- and associated functions of ordinary differential operators”, Dokl. Akad. Nauk SSSR, 314:1 (1990), 25–28; Dokl. Math., 42:2 (1991), 252–255
Linking options:
https://www.mathnet.ru/eng/dan6440 https://www.mathnet.ru/eng/dan/v314/i1/p25
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