@article{1270134269, author = {MIYATA, Yoichiro}, title = {2-Type Surfaces of Constant Curvature in $S^n$}, journal = {Tokyo J. of Math.}, volume = {11}, number = {2}, year = {1988}, pages = { 157-204}, language = {en}, url = {http://dml.mathdoc.fr/item/1270134269} }
MIYATA, Yoichiro. 2-Type Surfaces of Constant Curvature in $S^n$. Tokyo J. of Math., Tome 11 (1988) no. 2, pp. 157-204. http://gdmltest.u-ga.fr/item/1270134269/