@article{1103051405, author = {Pan, T. K.}, title = {The spherical curvature of a hypersurface in Euclidean space.}, journal = {Pacific J. Math.}, volume = {3}, number = {4}, year = {1953}, pages = { 461-466}, language = {en}, url = {http://dml.mathdoc.fr/item/1103051405} }
Pan, T. K. The spherical curvature of a hypersurface in Euclidean space.. Pacific J. Math., Tome 3 (1953) no. 4, pp. 461-466. http://gdmltest.u-ga.fr/item/1103051405/