%0 Journal Article %A Fernando Chamizo %A Adrián Ubis %T An average formula for the class number %J Acta Arithmetica %D 2006 %P 75-90 %V 122 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa122-1-8/ %R 10.4064/aa122-1-8 %G en %F 10_4064_aa122_1_8