@article{PIM_1984_N_S_35_49_a16,
     author = {I. M. Lavrent and ev and Radoje \v{S}\'cepanovi\'c},
     title = {O {Razreshimosti} {Nelinejnyh} {Uravnenij}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {125 },
     publisher = {mathdoc},
     volume = {_N_S_35},
     number = {49},
     year = {1984},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_1984_N_S_35_49_a16/}
}