TY - JOUR AU - I. M. Spitkovsky TI - On a vectorial Riemann boundary value problem with infinite defect numbers, and related factorization of matrix-valued functions JO - Sbornik. Mathematics PY - 1989 SP - 521 EP - 538 VL - 63 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1989_63_2_a16/ LA - en ID - SM_1989_63_2_a16 ER -