Surfaces with plane generatrices along which the tangent plane is constant
Doklady Akademii Nauk, Tome 115 (1957) no. 4, pp. 663-665
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@article{DAN_1957_115_4_a7,
author = {S. I. Savel'ev},
title = {Surfaces with plane generatrices along which the tangent plane is constant},
journal = {Doklady Akademii Nauk},
pages = {663--665},
year = {1957},
volume = {115},
number = {4},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DAN_1957_115_4_a7/}
}
S. I. Savel'ev. Surfaces with plane generatrices along which the tangent plane is constant. Doklady Akademii Nauk, Tome 115 (1957) no. 4, pp. 663-665. http://geodesic.mathdoc.fr/item/DAN_1957_115_4_a7/