TY  - JOUR
AU  - S. A. Gal'pern
AU  - V. E. Kondrašov
TI  - The Cauchy problem for differential operators which decompose into wave factors
JO  - Trudy Moskovskogo matematičeskogo obŝestva
PY  - 1967
SP  - 109
EP  - 136
VL  - 16
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MMO_1967_16_a4/
LA  - ru
ID  - MMO_1967_16_a4
ER  -