TY  - JOUR
AU  - V. A. Zaitsev
TI  - On Huygens principle for some equations with singularities
JO  - Doklady Akademii Nauk
PY  - 1978
SP  - 28
EP  - 31
VL  - 242
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1978_242_1_a5/
LA  - ru
ID  - DAN_1978_242_1_a5
ER  -