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MATHEMATICS
On sufficient and necessary conditions for complete approximative solvability of equations of a very general nature
A. I. Polak
Citation:
A. I. Polak, “On sufficient and necessary conditions for complete approximative solvability of equations of a very general nature”, Dokl. Akad. Nauk SSSR, 112:4 (1957), 587–590
Linking options:
https://www.mathnet.ru/eng/dan21571 https://www.mathnet.ru/eng/dan/v112/i4/p587
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