@article{ZVMMF_1962_2_4_a18,
     author = {V. V. Martynyuk},
     title = {An efficient construction of the transitive closure of a binary},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {723--725},
     publisher = {mathdoc},
     volume = {2},
     number = {4},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1962_2_4_a18/}
}