@article{DAN_1957_115_3_a7,
     author = {B. L. Rozhdestvenskii},
     title = {On systems of quasi linear equations},
     journal = {Doklady Akademii Nauk},
     pages = {454--457},
     publisher = {mathdoc},
     volume = {115},
     number = {3},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_115_3_a7/}
}