%0 Journal Article %A Anderson, David F. %A Dobbs, David E. %A Fontana, Marco %T Hilbert Rings Arising as Pullbacks %J Canadian mathematical bulletin %D 1992 %P 431-438 %V 35 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1992-057-4/ %R 10.4153/CMB-1992-057-4 %F 10_4153_CMB_1992_057_4