Nonlinearity of the Round Function. - Marcin Kontak; Janusz Szmidt (IACR Cryptol. ePrint Arch., 2005)

Cryptanalysis of the GOST Hash Function. - Florian Mendel; Norbert Pramstaller; Christian Rechberger; Marcin Kontak; Janusz Szmidt (CRYPTO, 2008)