@article{ZVMMF_1976_16_1_a14,
     author = {Yu. A. Mamatov},
     title = {Estimation of the number of functions of the algebra of logic that can be realized by plane disjunctive normal forms},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {170--188},
     publisher = {mathdoc},
     volume = {16},
     number = {1},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1976_16_1_a14/}
}