@article{DAN_1970_191_1_a0,
     author = {B. A. Vertgeim},
     title = {The approximate determination of fixed points of continuous mappings},
     journal = {Doklady Akademii Nauk},
     pages = {9--11},
     publisher = {mathdoc},
     volume = {191},
     number = {1},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_191_1_a0/}
}