%0 Journal Article %A Bashkirov, Evgenii L. %T Two remarks on Lie rings of $2\times 2$ matrices over commutative associative rings %J Commentationes Mathematicae Universitatis Carolinae %D 2020 %P 1-10 %V 61 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2020.010/ %R 10.14712/1213-7243.2020.010 %G en %F 10_14712_1213_7243_2020_010