@article{DE_1985_21_11_a1,
     author = {T. S. Bud'ko and A. I. Yablonskii},
     title = {Existence of polar and pseudopolar solutions of autonomous systems of three differential equations. {I}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1849--1857},
     publisher = {mathdoc},
     volume = {21},
     number = {11},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1985_21_11_a1/}
}