%0 Journal Article
%A I. R. Shafarevich
%T Exponents of elliptic curves
%J Doklady Akademii Nauk
%D 1957
%P 714-716
%V 114
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1957_114_4_a9/
%G ru
%F DAN_1957_114_4_a9