TY  - JOUR
AU  - A. Yu. Levin
TI  - On the stability of solutions of second-order equations
JO  - Doklady Akademii Nauk
PY  - 1961
SP  - 1298
EP  - 1301
VL  - 141
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1961_141_6_a4/
LA  - ru
ID  - DAN_1961_141_6_a4
ER  -