For citations:
Korzyuk V.I., Kovnatskaya O.A. Picard problem on the plane for a quasilinear hyperbolic equation of the second order. Trudy Instituta matematiki. 2023;31(1):70-80. (In Russ.)
Korzyuk V.I., Kovnatskaya O.A. Picard problem on the plane for a quasilinear hyperbolic equation of the second order. Trudy Instituta matematiki. 2023;31(1):70-80. (In Russ.)