TY  - JOUR
AU  - M. V. Dolov
TI  - The canonical integral in the neighborhood of a focus
JO  - Differencialʹnye uravneniâ
PY  - 1976
SP  - 1946
EP  - 1953
VL  - 12
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1976_12_11_a3/
LA  - ru
ID  - DE_1976_12_11_a3
ER  -