%0 Journal Article %A Baeck, Jongwook %T Left EM rings %J Czechoslovak Mathematical Journal %D 2024 %P 839-867 %V 74 %N 3 %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2024.0071-24/ %R 10.21136/CMJ.2024.0071-24 %G en %F 10_21136_CMJ_2024_0071_24