@article{DAN_1969_184_3_a5,
     author = {A. G. Zarubin},
     title = {A certain class of nonlinear operator equations},
     journal = {Doklady Akademii Nauk},
     pages = {530--533},
     publisher = {mathdoc},
     volume = {184},
     number = {3},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_184_3_a5/}
}