%0 Journal Article %A Král, Josef %T On cyclic and radial variations of a plane path (Preliminary communication) %J Commentationes Mathematicae Universitatis Carolinae %D 1963 %P 3-9 %V 04 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1963__4_1_a0/ %G en %F CMUC_1963__4_1_a0