%0 Journal Article
%A Jeffrey S. Geronimo
%A Hugo J. Woerdeman
%T Positive extensions, Fejér-Riesz factorization and autoregressive filters in two variables
%J Annals of mathematics
%D 2004
%P 839-906
%V 160
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4007/annals.2004.160.839/
%R 10.4007/annals.2004.160.839
%G en
%F 10_4007_annals_2004_160_839