TY - JOUR AU - Zhi-Hong Sun AU - Kenneth S. Williams TI - On the number of representations of $n$ by $ax^2+bxy+cy^2$ JO - Acta Arithmetica PY - 2006 SP - 101 EP - 171 VL - 122 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa122-2-1/ DO - 10.4064/aa122-2-1 LA - en ID - 10_4064_aa122_2_1 ER -