TY  - JOUR
AU  - N. N. Chaus
TI  - On the uniqueness of a solution of the Cauchy problem for a second order equation with variable coefficients
JO  - Doklady Akademii Nauk
PY  - 1970
SP  - 1244
EP  - 1246
VL  - 191
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1970_191_6_a12/
LA  - ru
ID  - DAN_1970_191_6_a12
ER  -