A ruled surface geometry analogue to a triorthogonal system of surfaces
Doklady Akademii Nauk, Tome 113 (1957) no. 3, pp. 497-500
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@article{DAN_1957_113_3_a3,
author = {N. I. Kovantsov},
title = {A ruled surface geometry analogue to a triorthogonal system of surfaces},
journal = {Doklady Akademii Nauk},
pages = {497--500},
year = {1957},
volume = {113},
number = {3},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DAN_1957_113_3_a3/}
}
N. I. Kovantsov. A ruled surface geometry analogue to a triorthogonal system of surfaces. Doklady Akademii Nauk, Tome 113 (1957) no. 3, pp. 497-500. http://geodesic.mathdoc.fr/item/DAN_1957_113_3_a3/