@article{BASM_2020_1_a2,
     author = {A. I. Kashu},
     title = {Closure operators in modules and their characterizations},
     journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica},
     pages = {31--62},
     publisher = {mathdoc},
     number = {1},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BASM_2020_1_a2/}
}