%0 Journal Article %A Grzegorz Dymek %T Normal pseudo-BCK-algebras %J Commentationes Mathematicae %D 2011 %P 99-107 %V 51 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v51i1.5312/ %R 10.14708/cm.v51i1.5312 %G pl %F 10_14708_cm_v51i1_5312