%0 Journal Article %A A. I. Kashu %T Closure operators in the categories of modules. Part I (Weakly hereditary and idempotent operators) %J Algebra and discrete mathematics %D 2013 %P 213-228 %V 15 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ADM_2013_15_2_a6/ %G en %F ADM_2013_15_2_a6