TY - JOUR AU - Hollmann, Henk D.L. AU - Xiang, Qing TI - Association schemes from the action of ${PGL}(2,q)$ fixing a nonsingular conic in ${PG}(2,q)$ JO - Journal of Algebraic Combinatorics PY - 2006 SP - 157 EP - 193 VL - 24 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JAC_2006__24_2_a2/ LA - en ID - JAC_2006__24_2_a2 ER -