%0 Journal Article %A Moonens, Laurent %T Nonconstant Continuous Functions whose Tangential Derivative Vanishes along a Smooth Curve %J Canadian mathematical bulletin %D 2011 %P 706-715 %V 54 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2011-027-1/ %R 10.4153/CMB-2011-027-1 %F 10_4153_CMB_2011_027_1