%0 Journal Article %A R. R. Gontsov %A V. A. Poberezhnyi %T Various versions of the Riemann--Hilbert problem for linear differential equations %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2008 %P 603-639 %V 63 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_2008_63_4_a0/ %G en %F RM_2008_63_4_a0