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MATHEMATICS
Upper estimates for the Lyusternik–Shnirelman's category
Tudor Ganea Institute of Mathematics, Romania
Citation:
Tudor Ganea, “Upper estimates for the Lyusternik–Shnirelman's category”, Dokl. Akad. Nauk SSSR, 136:6 (1961), 1273–1376
Linking options:
https://www.mathnet.ru/eng/dan24654 https://www.mathnet.ru/eng/dan/v136/i6/p1273
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