@article{DAN_1969_189_1_a8,
     author = {R. I. Kachurovskii},
     title = {The solvability of certain classes of nonlinear equations},
     journal = {Doklady Akademii Nauk},
     pages = {35--37},
     publisher = {mathdoc},
     volume = {189},
     number = {1},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_189_1_a8/}
}