@article{DE_1991_27_3_a3,
     author = {V. I. Gromak and V. V. Tsegel'nik},
     title = {Solutions of a system of three differential equations with quadratic nonlinearities},
     journal = {Differencialʹnye uravneni\^a},
     pages = {396--402},
     publisher = {mathdoc},
     volume = {27},
     number = {3},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1991_27_3_a3/}
}