@article{DAN_1961_141_4_a4,
     author = {M. A. Krasnosel'skii and Ya. B. Rutitskii},
     title = {Some approximate methods of solving non-linear operator equations by linearization},
     journal = {Doklady Akademii Nauk},
     pages = {785--788},
     publisher = {mathdoc},
     volume = {141},
     number = {4},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_141_4_a4/}
}