%0 Journal Article %A V. P. Kompaniets %A A. V. Chernavskii %T Equivalence of two classes of sphere mappings %J Doklady Akademii Nauk %D 1966 %P 1266-1268 %V 169 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_169_6_a5/ %G ru %F DAN_1966_169_6_a5