@article{DAN_1961_139_6_a14,
     author = {Yu. I. Zhuravlev},
     title = {Finite index algorithms for the simplification of disjunctive normal forms},
     journal = {Doklady Akademii Nauk},
     pages = {1329--1331},
     publisher = {mathdoc},
     volume = {139},
     number = {6},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_139_6_a14/}
}