TY - BOOK AU - Hardy, Darel W. AU - Richman, Fred AU - Walker, Carol L. TI - Applied algebra : codes, ciphers, and discrete algorithms T2 - Discrete mathematics and its applications SN - 9781420071429 U1 - 003.54 PY - 2015/// CY - Boca Raton PB - CRC Press KW - Coding theory ER -