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MATHEMATICS
Tangentially degenerate surfaces
V. V. Ryzhkov Moscow Engineering Building Institute
Citation:
V. V. Ryzhkov, “Tangentially degenerate surfaces”, Dokl. Akad. Nauk SSSR, 135:1 (1960), 20–22
Linking options:
https://www.mathnet.ru/eng/dan24207 https://www.mathnet.ru/eng/dan/v135/i1/p20
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