@article{DA_2009_16_6_a4,
     author = {S. S. Marchenkov},
     title = {On closed classes of a~$k$-valued logics functions defined by a~single endomorphism},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {52--67},
     publisher = {mathdoc},
     volume = {16},
     number = {6},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2009_16_6_a4/}
}