Classification of three-class association schemes using backtracking with dynamic variable ordering.

Jan Degraer Kris Coolsaet Classification of three-class association schemes using backtracking with dynamic variable ordering. 71-81 2005 300 Discrete Mathematics 1-3 http://dx.doi.org/10.1016/j.disc.2005.06.014 db/journals/dm/dm300.html#DegraerC05