@article{BASM_2012_3_a3,
     author = {V. I. Arnautov},
     title = {Properties of covers in the lattice of group topologies for nilpotent groups},
     journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica},
     pages = {38--44},
     publisher = {mathdoc},
     number = {3},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BASM_2012_3_a3/}
}