TY - JOUR AU - Bashkirov, Evgenii L. TI - Two remarks on Lie rings of $2\times 2$ matrices over commutative associative rings JO - Commentationes Mathematicae Universitatis Carolinae PY - 2020 SP - 1 EP - 10 VL - 61 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2020.010/ DO - 10.14712/1213-7243.2020.010 LA - en ID - 10_14712_1213_7243_2020_010 ER -