@article{BASM_2014_3_a1,
     author = {A. I. Kashu},
     title = {Closure operators in the categories of modules. {Part~IV} {(Relations} between the operators and preradicals)},
     journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica},
     pages = {13--22},
     publisher = {mathdoc},
     number = {3},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BASM_2014_3_a1/}
}