@article{PDM_2015_4_a2,
     author = {A. E. Trishin},
     title = {The nonlinearity index for a~piecewise-linear substitution of the additive group of the field~$\mathbb F_{2^n}$},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {32--42},
     publisher = {mathdoc},
     number = {4},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2015_4_a2/}
}