@article{PPN235181684_0261+dmdlog21,
title = {Helical Immersions Into a Unit Sphere.},
journal = {Mathematische Annalen},
volume = {261},
year = {1982},
pages = {63-80},
zbl = {0476.53033},
url = {http://dml.mathdoc.fr/item/PPN235181684_0261+dmdlog21}
}
Sakamoto, Kunio. Helical Immersions Into a Unit Sphere.. Mathematische Annalen, Tome 261 (1982) pp. 63-80. http://gdmltest.u-ga.fr/item/PPN235181684_0261+dmdlog21/