@article{DE_1995_31_5_a3,
     author = {Zh. V. Zakharenko and A. I. Yablonskii},
     title = {Qualitative investigation of a system of differential equations in the presence of an algebraic integral},
     journal = {Differencialʹnye uravneni\^a},
     pages = {759--764},
     publisher = {mathdoc},
     volume = {31},
     number = {5},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1995_31_5_a3/}
}