@article{DAN_1962_144_1_a3,
     author = {A. E. Gel'man},
     title = {Analytic solutions of essentially non-linear equations},
     journal = {Doklady Akademii Nauk},
     pages = {19--20},
     publisher = {mathdoc},
     volume = {144},
     number = {1},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_144_1_a3/}
}