TY - JOUR AU - V. I. Arnautov AU - G. N. Ermakova TI - Properties of finite unrefinable chains of ring topologies for nilpotent rings JO - Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica PY - 2018 SP - 67 EP - 75 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/BASM_2018_1_a5/ LA - en ID - BASM_2018_1_a5 ER -