[1] Marshall Hall, Jr.: Combinatorial Theory. Blaisdall Publishing Company, Toronto -London 1967, chapter 9. (Russian translation.) MR 0224481

[2] N. G. de Bruijn: A Combinatorial Problem. Nederl. Akad. Wetensch. Proc. 49 (1946), 758-764. MR 0018142 | Zbl 0196.02803

[3] W. Wesley Peterson E. J. Weldon, Jr.: Error-Correcting Codes. The MIT Press, Cambridge, Massachusetts and London, England 1972 (second edition). (Russian translation Mir, Moscow 1976.)

[4] A. Culek, al.: On a Method of Pseudo-Random Numbers Generation. Kybernetika 2 (1966), 1,215-225. Zbl 0171.16404