%0 Journal Article
%A Henryk Iwaniec
%T On indefinite quadratic forms in four variables
%J Acta Arithmetica
%D 1977
%P 209-229
%V 33
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/aa-33-3-209-229/
%R 10.4064/aa-33-3-209-229
%G en
%F 10_4064_aa_33_3_209_229