@article{105659, author = {Mohamed Afwat}, title = {On Weingarten surfaces}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {016}, year = {1975}, pages = {707-712}, zbl = {0313.53025}, mrnumber = {0390977}, language = {en}, url = {http://dml.mathdoc.fr/item/105659} }
Afwat, Mohamed. On Weingarten surfaces. Commentationes Mathematicae Universitatis Carolinae, Tome 016 (1975) pp. 707-712. http://gdmltest.u-ga.fr/item/105659/
Several new characterizations of the sphere, Czech. Math. J. (to appear). | MR 0388293