TY - JOUR AU - Galtman, A. TI - Spectral characterizations of the Lovász number and the Delsarte number of a graph JO - Journal of Algebraic Combinatorics PY - 2000 SP - 131 EP - 143 VL - 12 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JAC_2000__12_2_a3/ LA - en ID - JAC_2000__12_2_a3 ER -