@article{PDM_2010_3_a4,
     author = {G. P. Agibalov and I. A. Pankratova},
     title = {Statistical approximation theory for discrete functions with application in cryptanalysis of iterative block ciphers},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {51--68},
     publisher = {mathdoc},
     number = {3},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2010_3_a4/}
}