TY  - JOUR
AU  - V. F. Butuzov
AU  - A. G. Nikitin
TI  - A singularly perturbed system of equations of elliptic type
JO  - Differencialʹnye uravneniâ
PY  - 1990
SP  - 271
EP  - 278
VL  - 26
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1990_26_2_a11/
LA  - ru
ID  - DE_1990_26_2_a11
ER  -