@article{DE_1971_7_3_a3,
     author = {N. A. Zboychik},
     title = {An investigation of a system of three differential equations with a functional parameter},
     journal = {Differencialʹnye uravneni\^a},
     pages = {409--418},
     publisher = {mathdoc},
     volume = {7},
     number = {3},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1971_7_3_a3/}
}