@article{MZM_1969_5_4_a10,
     author = {V. B. Alekseev},
     title = {On simple bases of $k$-valued logic},
     journal = {Matemati\v{c}eskie zametki},
     pages = {471--482},
     year = {1969},
     volume = {5},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1969_5_4_a10/}
}