@article{ZVMMF_1972_12_4_a1,
     author = {Yu. I. Mokin},
     title = {Continuation of network functions with preservation of class},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {858--870},
     year = {1972},
     volume = {12},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1972_12_4_a1/}
}