%0 Journal Article %A A. F. Filippov %T On the first boundary problem for a~hyperbolic equation in an arbitrary cylinder %J Matematičeskie zametki %D 1968 %P 181-189 %V 4 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1968_4_2_a9/ %G ru %F MZM_1968_4_2_a9