%0 Journal Article %A K. Mazur %T On the curvature of level-lines in certain classes of starlike meromorphic functions %J Commentationes Mathematicae %D 1983 %P 59-62 %V 23 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v23i1.6037/ %R 10.14708/cm.v23i1.6037 %G pl %F 10_14708_cm_v23i1_6037