TY - JOUR AU - Baeck, Jongwook TI - Left EM rings JO - Czechoslovak Mathematical Journal PY - 2024 SP - 839 EP - 867 VL - 74 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2024.0071-24/ DO - 10.21136/CMJ.2024.0071-24 LA - en ID - 10_21136_CMJ_2024_0071_24 ER -