%0 Journal Article %A J. Musielak %A A. Waszak %T On two-modular spaces %J Commentationes Mathematicae %D 1983 %P 63-70 %V 23 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v23i1.6038/ %R 10.14708/cm.v23i1.6038 %G pl %F 10_14708_cm_v23i1_6038