@article{DAN_1966_168_5_a13,
     author = {G. A. Shestopal},
     title = {Simple bases in closed classes of functions of the algebra of logic},
     journal = {Doklady Akademii Nauk},
     pages = {1023--1026},
     publisher = {mathdoc},
     volume = {168},
     number = {5},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_168_5_a13/}
}