%0 Journal Article %A Liqun Hu %T An asymptotic formula related to the divisors of the quaternary quadratic form %J Acta Arithmetica %D 2014 %P 129-140 %V 166 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa166-2-2/ %R 10.4064/aa166-2-2 %G en %F 10_4064_aa166_2_2