%0 Journal Article %A Kh. M. Nakkar %T Principal elements in the lattices of ideals of commutative rings %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1973 %V 28 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1973_28_3_a16/ %G ru %F RM_1973_28_3_a16