@article{1138845940, author = {Chen, Bang-yen}, title = {Surfaces of curvature $\l ambda\_N=0$ in $E^{2+N}$}, journal = {Kodai Math. Sem. Rep.}, volume = {21}, number = {1}, year = {1969}, pages = { 331-334}, language = {en}, url = {http://dml.mathdoc.fr/item/1138845940} }
Chen, Bang-yen. Surfaces of curvature $łambda_N=0$ in $E^{2+N}$. Kodai Math. Sem. Rep., Tome 21 (1969) no. 1, pp. 331-334. http://gdmltest.u-ga.fr/item/1138845940/