TY  - JOUR
AU  - V. P. Mikhailov
TI  - Non-analytical solutions of Goursat's problem for a system of differential equations in two independent variables
JO  - Doklady Akademii Nauk
PY  - 1957
SP  - 759
EP  - 762
VL  - 117
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1957_117_5_a7/
LA  - ru
ID  - DAN_1957_117_5_a7
ER  -