1. S. V. Avgustinovich, “On a Property of Perfect Binary Codes,” Diskret. Anal. Issled. Oper. Ser. 1, 2(1), 4–6 (1995).
2. S. V. Avgustinovich and A. Yu. Vasil’eva, “Calculation of a Centered Function by Its Values at the Middle Levels of a Boolean Cube,” Diskret. Anal. Issled. Oper. Ser. 1, 10(2), 3–16 (2003).
3. S. V. Avgustinovich and A. Yu. Vasil’eva, “Reconstruction Theorems for Centered Functions and Perfect Codes,” Sibir. Mat. Zh. 49(3), 1–6 (2008) [Siberian Math. J. 49 (3), 383–388 (2008)].
4. E. Bannai and T. Ito, “Algebraic Combinatorics. I: Association Schemes,” (The Benjamin/Cummings, Menlo Park, California, 1984; Mir, Moscow, 1987).
5. P. Delsarte, “An Algebraic Approach to the Association Schemes of Coding Theory,” (Historical Jrl. vi, Ann Arbor, MI, 1973; Mir, Moscow, 1976).