%0 Journal Article %A E. Barnes %T The construction of perfect and extreme forms II %J Acta Arithmetica %D 1959 %P 205-222 %V 5 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-5-2-205-222/ %R 10.4064/aa-5-2-205-222 %G en %F 10_4064_aa_5_2_205_222