@article{SJIM_2002_5_3_a7,
     author = {E. P. Volokitin and S. A. Treskov},
     title = {The bifurcation diagram of a~cubic system of {Li\'enard} type},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {67--75},
     publisher = {mathdoc},
     volume = {5},
     number = {3},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2002_5_3_a7/}
}