@article{DE_1984_20_2_a23,
     author = {S. G. Kondratenya},
     title = {Systems of three differential equations whose solutions do not have essentially singular points},
     journal = {Differencialʹnye uravneni\^a},
     pages = {353--354},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1984_20_2_a23/}
}