TY  - JOUR
AU  - V. V. Basov
TI  - Divergence of normalizing transformations in the case of real structurally unstable focus
JO  - Differencialʹnye uravneniâ
PY  - 1989
SP  - 563
EP  - 573
VL  - 25
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1989_25_4_a1/
LA  - ru
ID  - DE_1989_25_4_a1
ER  -