@article{DAN_1966_168_5_a8,
     author = {A. F. Mutylin},
     title = {Inbedding of discrete fields into connected ones},
     journal = {Doklady Akademii Nauk},
     pages = {1005--1008},
     year = {1966},
     volume = {168},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_168_5_a8/}
}