TY - JOUR AU - I. M. Spitkovsky TI - Factorization of measurable matrix-valued functions and related problems in the theory of systems of singular integral equations and the vector Riemann boundary JO - Differencialʹnye uravneniâ PY - 1981 SP - 697 EP - 709 VL - 17 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1981_17_4_a14/ LA - ru ID - DE_1981_17_4_a14 ER -