%0 Journal Article %A Surjeet Singh %T Over-rings of an (HNP)-ring %J Colloquium Mathematicum %D 1985 %P 53-60 %V 50 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-50-1-53-60/ %R 10.4064/cm-50-1-53-60 %G en %F 10_4064_cm_50_1_53_60