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MATHEMATICS
Small perturbations of singular differential equations with
unbounded operator coefficients
S. G. Krein, V. I. Fomin Voronezh Institute of Forestry Engineering
Citation:
S. G. Krein, V. I. Fomin, “Small perturbations of singular differential equations with
unbounded operator coefficients”, Dokl. Akad. Nauk SSSR, 314:1 (1990), 77–79; Dokl. Math., 42:2 (1991), 313–315
Linking options:
https://www.mathnet.ru/eng/dan6454 https://www.mathnet.ru/eng/dan/v314/i1/p77
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