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MATHEMATICS
Some tests for the absence of closed trajectories
Yu. S. Bogdanov Leningrad Department of V. A. Steklov Institute of Mathematics, USSR Academy of Sciences
Citation:
Yu. S. Bogdanov, “Some tests for the absence of closed trajectories”, Dokl. Akad. Nauk SSSR, 120:5 (1958), 939–940
Linking options:
https://www.mathnet.ru/eng/dan23140 https://www.mathnet.ru/eng/dan/v120/i5/p939
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