@article{100142,
author = {Zbyn\v ek N\'aden\'\i k},
title = {Poverkhnosti, analogichnye krivym Bertrana},
journal = {Czechoslovak Mathematical Journal},
volume = {05},
year = {1955},
pages = {194-219},
zbl = {0085.36502},
mrnumber = {0074849},
language = {ru},
url = {http://dml.mathdoc.fr/item/100142}
}
Nádeník, Zbyněk. Поверхности, аналогичные кривым Бертрана. Czechoslovak Mathematical Journal, Tome 05 (1955) pp. 194-219. http://gdmltest.u-ga.fr/item/100142/
Les systèmes différentiels extérieurs et leurs applications géométriques, Paris 1945. (1945) | MR 0016174 | Zbl 0063.00734
Differentialgeometrie der Kurven und Flächen und Tensorrechnung, Groningen-Batavia 1939. (1939)