%0 Journal Article %A P. Masani %A N. Wiener %T On Bivariate Stationary Processes and the Factorization of Matrix-Valued Functions %J Teoriâ veroâtnostej i ee primeneniâ %D 1959 %P 322-331 %V 4 %N 3 %U http://geodesic.mathdoc.fr/item/TVP_1959_4_3_a4/ %G en %F TVP_1959_4_3_a4