%0 Journal Article %A G. M. Topikyan %T Explicit factorization of a $(P,Q)$-circulant matrix-functions %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2011 %P 23-30 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2011_3_a3/ %G en %F UZERU_2011_3_a3