@article{ADM_2017_23_2_a13,
     author = {Vasyl Ustimenko},
     title = {On new multivariate cryptosystems with nonlinearity gap},
     journal = {Algebra and discrete mathematics},
     pages = {331--348},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2017_23_2_a13/}
}