TY  - JOUR
AU  - Jeffrey S. Geronimo
AU  - Hugo J. Woerdeman
TI  - Positive extensions, Fejér-Riesz factorization and autoregressive filters in two variables
JO  - Annals of mathematics
PY  - 2004
SP  - 839
EP  - 906
VL  - 160
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4007/annals.2004.160.839/
DO  - 10.4007/annals.2004.160.839
LA  - en
ID  - 10_4007_annals_2004_160_839
ER  -