%0 Journal Article %A Bill Dulin %A Hubert Butts %T Composition of binary quadratic forms over integral domains %J Acta Arithmetica %D 1972 %P 223-251 %V 20 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-20-3-223-251/ %R 10.4064/aa-20-3-223-251 %G en %F 10_4064_aa_20_3_223_251