@article{MVK_2016_7_a2,
     author = {M. M. Glukhov},
     title = {On the approximation of discrete functions by linear functions},
     journal = {Matemati\v{c}eskie voprosy kriptografii},
     pages = {29--50},
     publisher = {mathdoc},
     volume = {7},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MVK_2016_7_a2/}
}