@article{PDMA_2013_6_a12,
     author = {A. V. Cheremushkin},
     title = {On a nonlinearity degree definition for a discrete function on a cyclic group},
     journal = {Prikladnaya Diskretnaya Matematika. Supplement},
     pages = {26--27},
     publisher = {mathdoc},
     number = {6},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDMA_2013_6_a12/}
}