TY  - JOUR
AU  - M. I. Vishik
AU  - L. A. Lyusternik
TI  - On some even order elliptic equations containing small parameters in higher derivative terms and degenerating 

JO  - Doklady Akademii Nauk
PY  - 1957
SP  - 962
EP  - 965
VL  - 113
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1957_113_5_a3/
LA  - ru
ID  - DAN_1957_113_5_a3
ER  -