%0 Journal Article
%A A. Rotkiewicz
%A H. Halberstam
%T A gap theorem for pseudoprimes in arithmetic progressions
%J Acta Arithmetica
%D 1967
%P 395-404
%V 13
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/aa-13-4-395-404/
%R 10.4064/aa-13-4-395-404
%G en
%F 10_4064_aa_13_4_395_404