@article{DAN_1982_262_6_a11,
     author = {I. P. Chukhrov},
     title = {On the number of irredundant disjunctive normal forms},
     journal = {Doklady Akademii Nauk},
     pages = {1329--1332},
     publisher = {mathdoc},
     volume = {262},
     number = {6},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_262_6_a11/}
}