%0 Journal Article %A V. Yu. Protasov %T Spectral factorization of 2-block Toeplitz matrices and refinement equations %J Algebra i analiz %D 2006 %P 127-184 %V 18 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2006_18_4_a5/ %G ru %F AA_2006_18_4_a5