%0 Journal Article %A Camillo, Victor P. %T Commutative rings whose principal ideals are annihilators %J Portugaliae mathematica %D 1989 %P 33-37 %V 46 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1989__46_1_115647/ %G en %F PORMA_1989__46_1_115647