1. Bounds for unrestricted codes by linear programming;Delsarte;Philips Res. Rep.,1972
2. Perfect binary codes;Etzion;IEEE Trans. Inform. Theory,1994
3. The Theory of Error-Correcting Codes;MacWilliams,1977
4. A.K. Pulatov, To the structure of close-packed (n,3)-codes, in: Methods of Discrete Analysis in the Theory of Codes and Networks, Vol. 29, Sobolev Institute of Mathematics SB AS USSR, Novosibirsk, 1976, pp. 53–60 (in Russian).
5. On the mathematical theory of error-correcting codes;Shapiro;IBM J. Res. Develop.,1959