@article{MZ_1983__184_173350,
     author = {Norio Ejiri},
     title = {The {Index} of {Minimal} {Immersions} of {S2} into {S2n.}},
     journal = {Mathematische Zeitschrift},
     pages = {127--132},
     publisher = {mathdoc},
     volume = {184},
     year = {1983},
     zbl = {0517.53056},
     url = {http://geodesic.mathdoc.fr/item/MZ_1983__184_173350/}
}