TY  - JOUR
AU  - V. N. Gol'dberg
TI  - Discontinuous solutions of nonlinear mixed problems for hyperbolic equations on a~plane
JO  - Sbornik. Mathematics
PY  - 1972
SP  - 159
EP  - 180
VL  - 16
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1972_16_2_a1/
LA  - en
ID  - SM_1972_16_2_a1
ER  -