@article{AL_1999_38_1_a0,
     author = {A. A. Bulatov},
     title = {Sublattices of a lattice of clones of functions on a},
     journal = {Algebra i logika},
     pages = {3--23},
     year = {1999},
     volume = {38},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1999_38_1_a0/}
}