@article{ZVMMF_1982_22_1_a20,
     author = {S. A. Abramov},
     title = {Relations in sets of semantic mappings and binary relations},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {197--207},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1982_22_1_a20/}
}