TY  - JOUR
AU  - M. I. Freidlin
TI  - A mixed boundary-value problem for second-order elliptic differential equations with a small parameter
JO  - Doklady Akademii Nauk
PY  - 1962
SP  - 1300
EP  - 1303
VL  - 143
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1962_143_6_a16/
LA  - ru
ID  - DAN_1962_143_6_a16
ER  -