%0 Journal Article %A Rafał Lutowski %A Andrzej Szczepański %T Holonomy groups of flat manifolds with the $R_{\infty} $ property %J Fundamenta Mathematicae %D 2013 %P 195-205 %V 223 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm223-3-1/ %R 10.4064/fm223-3-1 %G en %F 10_4064_fm223_3_1