@article{DM_2017_29_4_a3,
     author = {O. A. Logachev},
     title = {A criterion of perfect balance for shift-composition of functions over a finite alphabet},
     journal = {Diskretnaya Matematika},
     pages = {59--65},
     year = {2017},
     volume = {29},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2017_29_4_a3/}
}