@article{ZVMMF_1971_11_6_a25,
     author = {V. V. Martynyuk},
     title = {Certain applications of the closure operation in the analysis of graphs},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1605--1607},
     year = {1971},
     volume = {11},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1971_11_6_a25/}
}