@article{VTGU_2009_2_a5,
     author = {M. A. Prikhodovskij},
     title = {About some classes $n$-arity algebraic operations},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {48--54},
     publisher = {mathdoc},
     number = {2},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2009_2_a5/}
}