TY - JOUR AU - Jorge Morales TI - The classification of pairs of binary quadratic forms JO - Acta Arithmetica PY - 1991 SP - 105 EP - 121 VL - 59 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-59-2-105-121/ DO - 10.4064/aa-59-2-105-121 LA - en ID - 10_4064_aa_59_2_105_121 ER -