TY  - JOUR
AU  - I. M. Spitkovsky
AU  - A. M. Tashbaev
TI  - Factorization of piecewise constant matrix functions with $3$
JO  - Doklady Akademii Nauk
PY  - 1989
SP  - 291
EP  - 296
VL  - 307
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1989_307_2_a7/
LA  - ru
ID  - DAN_1989_307_2_a7
ER  -