TY  - JOUR
AU  - M. A. Rutman
TI  - Criteria for the boundedness of solutions of linear partial differential equations with a leading term
JO  - Doklady Akademii Nauk
PY  - 1962
SP  - 789
EP  - 792
VL  - 147
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1962_147_4_a11/
LA  - ru
ID  - DAN_1962_147_4_a11
ER  -