@article{ZVMMF_1968_8_4_a20,
     author = {V. A. Tuzov},
     title = {The minimization of graph schemes},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {922--928},
     year = {1968},
     volume = {8},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1968_8_4_a20/}
}