@article{MVK_2014_5_2_a7,
     author = {O. V. Kazymyrov and V. N. Kazymyrova and R. V. Oliynykov},
     title = {A~method for generation of high-nonlinear {S-boxes} based on gradient descent},
     journal = {Matemati\v{c}eskie voprosy kriptografii},
     pages = {71--78},
     year = {2014},
     volume = {5},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MVK_2014_5_2_a7/}
}