%0 Journal Article %A Ĺ aroch, Jan %T On the nontrivial solvability of systems of homogeneous linear equations over $\mathbb Z$ in ZFC %J Commentationes Mathematicae Universitatis Carolinae %D 2020 %P 155-164 %V 61 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2020.017/ %R 10.14712/1213-7243.2020.017 %G en %F 10_14712_1213_7243_2020_017