@article{DAN_1980_252_5_a7,
     author = {A. P. Makhmudov and K. Ya. Leonov},
     title = {On the solvability of some quasilinear operator equations},
     journal = {Doklady Akademii Nauk},
     pages = {1055--1058},
     year = {1980},
     volume = {252},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_252_5_a7/}
}