@article{TIMB_2023_31_1_a8,
     author = {V. I. Korzyuk and O. A. Kovnatskaya},
     title = {Picard problem on the plane for a quasilinear hyperbolic equation of the second order},
     journal = {Trudy Instituta matematiki},
     pages = {70--80},
     publisher = {mathdoc},
     volume = {31},
     number = {1},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMB_2023_31_1_a8/}
}