%0 Journal Article %A A. Weron %T On a topological characterization of simple closed curve on the plane %J Commentationes Mathematicae %D 1973 %P 219-225 %V 17 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v17i1.5765/ %R 10.14708/cm.v17i1.5765 %G pl %F 10_14708_cm_v17i1_5765