%0 Journal Article
%A Stein, Sherman K.
%T The Cardinalities of A+A and A-A
%J Canadian mathematical bulletin
%D 1973
%P 343-345
%V 16
%N 3
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-055-6/
%R 10.4153/CMB-1973-055-6
%F 10_4153_CMB_1973_055_6