@article{CHEB_2014_15_2_a6,
     author = {N. A. Shchuchkin},
     title = {Direct product of $n$-ary groups},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {101--121},
     publisher = {mathdoc},
     volume = {15},
     number = {2},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2014_15_2_a6/}
}