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JOURNALS // Matematicheskii Sbornik // Archive
Mat. Sb. (N.S.), 1957 Volume 41(83), Number 4, Pages 481–498 (Mi sm5040)
Characteristic numbers of systems of linear differential equations

Yu. S. Bogdanov


Received: 12.03.1956



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© Steklov Math. Inst. of RAS, 2026