%0 Journal Article %A W. Pawlucki %A W. Plesniak %T Markov's Inequality and C Functions on Sets with Polynomial Cusps. %J Mathematische Annalen %D 1986 %P 467-480 %V 275 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1986__275_164162/ %F MAN_1986__275_164162