%0 Journal Article
%A M. G. Krein
%A I. M. Spitkovsky
%T On factorization of matrix-valued functions on the unit circle
%J Doklady Akademii Nauk
%D 1977
%P 287-290
%V 234
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1977_234_2_a6/
%G ru
%F DAN_1977_234_2_a6