%0 Journal Article %A V. I. Korzyuk %A O. A. Kovnatskaya %T Picard problem on the plane for a quasilinear hyperbolic equation of the second order %J Trudy Instituta matematiki %D 2023 %P 70-80 %V 31 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMB_2023_31_1_a8/ %G ru %F TIMB_2023_31_1_a8