TY  - JOUR
AU  - V. N. Bobochko
TI  - A singularly perturbed problem with a noninvertible limit operator
JO  - Differencialʹnye uravneniâ
PY  - 1990
SP  - 1453
EP  - 1454
VL  - 26
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1990_26_8_a22/
LA  - ru
ID  - DE_1990_26_8_a22
ER  -