%0 Journal Article %A V. A. Dem'yanenko %T Obvious description of isogeny of elliptic cur %J Trudy Instituta matematiki i mehaniki %D 1992 %P 13-19 %V 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_1992_1_a1/ %G ru %F TIMM_1992_1_a1