TY  - JOUR
AU  - G. R. Oganesyan
TI  - An initial-value problem for some singular hyperbolic equations and WKB-estimates for its solutions
JO  - Differencialʹnye uravneniâ
PY  - 1989
SP  - 1062
EP  - 1064
VL  - 25
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1989_25_6_a27/
LA  - ru
ID  - DE_1989_25_6_a27
ER  -