TY - JOUR AU - V. I. Arnautov TI - Properties of covers in the lattice of group topologies for nilpotent groups JO - Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica PY - 2012 SP - 38 EP - 44 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/BASM_2012_3_a3/ LA - en ID - BASM_2012_3_a3 ER -