TY  - JOUR
AU  - S. Karimov
TI  - Asymptotics of solutions of a class of differential equations with a small parameter multiplying the derivative in the case of change of stability of a focus
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1980
SP  - 57
EP  - 64
VL  - 147
UR  - http://geodesic.mathdoc.fr/item/TM_1980_147_a4/
LA  - ru
ID  - TM_1980_147_a4
ER  -