TY - JOUR AU - M. I. Ursul AU - A. Tripe TI - Totally bounded rings and their groups of units JO - Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica PY - 2004 SP - 93 EP - 97 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/BASM_2004_1_a10/ LA - en ID - BASM_2004_1_a10 ER -