%0 Journal Article %A Robby Robby %A Jonathan Hoseana %T Mixing problems represented by quasi-digraphs %J The Teaching of Mathematics %D 2024 %P 79 %V XXVII %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.57016/TM-NXML6989/ %R 10.57016/TM-NXML6989 %G en %F 10_57016_TM_NXML6989