%0 Journal Article %A V. A. Il'in %T The solvability of mixed problems for hyperbolic and parabolic equations %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1960 %P 85-142 %V 15 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1960_15_2_a2/ %G en %F RM_1960_15_2_a2