TY - JOUR AU - Liqun Hu TI - An asymptotic formula related to the divisors of the quaternary quadratic form JO - Acta Arithmetica PY - 2014 SP - 129 EP - 140 VL - 166 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa166-2-2/ DO - 10.4064/aa166-2-2 LA - en ID - 10_4064_aa166_2_2 ER -