TY  - JOUR
AU  - L. G. Makar-Limanov
TI  - On the absence of limit cycles in an equation having a center with respect to linear terms
JO  - Sbornik. Mathematics
PY  - 1967
SP  - 1
EP  - 4
VL  - 2
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1967_2_1_a0/
LA  - en
ID  - SM_1967_2_1_a0
ER  -