@article{GDZPPN002428164, title = {The Index of Minimal Immersions of S2 into S2n.}, journal = {Mathematische Zeitschrift}, volume = {183}, year = {1983}, pages = {127-132}, zbl = {0517.53056}, url = {http://dml.mathdoc.fr/item/GDZPPN002428164} }
Ejiri, Norio. The Index of Minimal Immersions of S2 into S2n.. Mathematische Zeitschrift, Tome 183 (1983) pp. 127-132. http://gdmltest.u-ga.fr/item/GDZPPN002428164/