Izv. Vyssh. Uchebn. Zaved. Mat., 1974 Number 12, Pages 51–53
(Mi ivm6683)
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Brief communications
Projective classification of ruled surfaces, and focal transforms of a surface
R. M. Geidel'man
UDC:
513
Received: 26.03.1973
English version:
Soviet Mathematics (Izvestiya VUZ. Matematika), 1974,
18:12,
42–44
Bibliographic databases:
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