%0 Journal Article
%A S. Feferman
%A R. Vaught
%T The first order properties of products of algebraic systems
%J Fundamenta Mathematicae
%D 1959
%P 57-103
%V 47
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm-47-1-57-103/
%R 10.4064/fm-47-1-57-103
%G en
%F 10_4064_fm_47_1_57_103