%0 Journal Article %A M. Kwapisz %T On certain differential equations with deviated argument %J Commentationes Mathematicae %D 1968 %P 23-29 %V 12 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v12i1.5635/ %R 10.14708/cm.v12i1.5635 %G pl %F 10_14708_cm_v12i1_5635