%0 Journal Article
%A Wolfgang M. Ruppert
%T When is an Abelian Surface Isomorphic or Isogeneous to a Product of Elliptic Curves?
%J Mathematische Zeitschrift
%D 1990
%P 293-300
%V 203
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1990__203_3_174128/
%F MZ_1990__203_3_174128