Gorodilova A. A. «From cryptanalysis to cryptographic property of a Boolean function» // Applied Discrete Mathematics 2016. №3(33) C.16-44
Pankratova I.A., Agibalov G.P. «STATISTICAL APPROXIMATION THEORYFOR DISCRETE FUNCTIONS WITH APPLICATION IN CRYPTANALY-SIS OF ITERATIVE BLOCK CIPHERS» // 2010. №3(9) C.51-68