TY  - JOUR
AU  - И.Г. Петровский
TI  - On the diffusion of waves and the lacunas for hyperbolic equations
JO  - Matematičeskij sbornik
PY  - 1945
SP  - 289
EP  - 370
VL  - 59
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MS_1945__59_3_a0/
LA  - en
ID  - MS_1945__59_3_a0
ER  -