TY - JOUR AU - R. R. Gontsov AU - V. A. Poberezhnyi TI - Various versions of the Riemann--Hilbert problem for linear differential equations JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2008 SP - 603 EP - 639 VL - 63 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_2008_63_4_a0/ LA - en ID - RM_2008_63_4_a0 ER -