@article{DAN_1976_230_2_a3,
     author = {V. A. Kalinin},
     title = {A fixed-point theorem},
     journal = {Doklady Akademii Nauk},
     pages = {267--268},
     publisher = {mathdoc},
     volume = {230},
     number = {2},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_230_2_a3/}
}