%0 Journal Article %A Ion Jardan %T On the inverse operations in the class of preradicals of a~module category,~I %J Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica %D 2017 %P 57-66 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/BASM_2017_1_a5/ %G en %F BASM_2017_1_a5