TY  - JOUR
AU  - V. A. Strizhkov
TI  - A criterion for solvability in the large of singularly perturbed nonlinear problems
JO  - Differencialʹnye uravneniâ
PY  - 1992
SP  - 1644
EP  - 1646
VL  - 28
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1992_28_9_a26/
LA  - ru
ID  - DE_1992_28_9_a26
ER  -