@article{bwmeta1.element.desklight-86b6210b-d920-4192-b713-ee540aef7644,
author = {Z. Olszak},
title = {On totally umbilical surfaces in some Riemannian spaces},
journal = {Colloquium Mathematicae},
volume = {38},
year = {1977},
pages = {105-111},
zbl = {0363.53008},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-86b6210b-d920-4192-b713-ee540aef7644}
}
Z. Olszak. On totally umbilical surfaces in some Riemannian spaces. Colloquium Mathematicae, Tome 38 (1977) pp. 105-111. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-86b6210b-d920-4192-b713-ee540aef7644/