%0 Journal Article
%A I. M. Spitkovsky
%A A. M. Tashbaev
%T Factorization of piecewise constant matrix functions with $3$
%J Doklady Akademii Nauk
%D 1989
%P 291-296
%V 307
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1989_307_2_a7/
%G ru
%F DAN_1989_307_2_a7