@article{SEMR_2016_13_a88,
     author = {E. P. Volokitin and V. M. Cheresiz},
     title = {The qualitative analysis of the plane polynomial {Darboux} systems},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {1170--1186},
     publisher = {mathdoc},
     volume = {13},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2016_13_a88/}
}