TY  - JOUR
AU  - E. M. Mukhamsdiev
AU  - I. D. Nurov
AU  - M. Sh. Khalilova
TI  - Limiting cycles of piece-linear second order differential equations
JO  - Ufa mathematical journal
PY  - 2014
SP  - 80
EP  - 89
VL  - 6
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UFA_2014_6_1_a7/
LA  - en
ID  - UFA_2014_6_1_a7
ER  -