%0 Journal Article %A A. S. Kalashnikov %T Second order linear degenerate hyperbolic equations with an infinite dependence domain %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1971 %V 26 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1971_26_4_a9/ %G ru %F RM_1971_26_4_a9