@article{1230395622, author = {SAKAMOTO, Kunio}, title = {Helical minimal imbeddings of order $4$ into spheres}, journal = {J. Math. Soc. Japan}, volume = {37}, number = {4}, year = {1985}, pages = { 315-336}, language = {en}, url = {http://dml.mathdoc.fr/item/1230395622} }
SAKAMOTO, Kunio. Helical minimal imbeddings of order $4$ into spheres. J. Math. Soc. Japan, Tome 37 (1985) no. 4, pp. 315-336. http://gdmltest.u-ga.fr/item/1230395622/