TY  - JOUR
AU  - V. V. Kucherenko
AU  - Yu. V. Osipov
TI  - Asymptotic solutions of a hyperbolic equation with characteristics of variable multiplicity
JO  - Doklady Akademii Nauk
PY  - 1979
SP  - 289
EP  - 293
VL  - 249
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1979_249_2_a7/
LA  - ru
ID  - DAN_1979_249_2_a7
ER  -