@article{ZVMMF_1973_13_2_a23,
     author = {O. N. Chavchanidze},
     title = {Solution of a system of non-linear differential equations},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {481--483},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1973_13_2_a23/}
}