@article{105879, author = {Karel Svoboda}, title = {Remark on surfaces in $E^4$ satisfying certain relations between covariant derivatives of the mean and Gauss curvatures}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {019}, year = {1978}, pages = {619-626}, zbl = {0397.53044}, mrnumber = {518175}, language = {en}, url = {http://dml.mathdoc.fr/item/105879} }
Svoboda, Karel. Remark on surfaces in $E^4$ satisfying certain relations between covariant derivatives of the mean and Gauss curvatures. Commentationes Mathematicae Universitatis Carolinae, Tome 019 (1978) pp. 619-626. http://gdmltest.u-ga.fr/item/105879/
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