TY - CHAP DO - 10.1007/BFb0084072 LA - eng PY - 1989 SN - 3-540-51812-6 TI - Filtrations of right ideals related to projectivity of left ideals UR - https://nbn-resolving.org/urn:nbn:de:0070-pub-17820839 Y2 - 2025-04-05T22:01:46 ER -