%0 Journal Article %A Zajíček, Luděk %T A C1 function which is nowhere strongly paraconvex and nowhere semiconcave %J Control and Cybernetics %D 2007 %P 803-810 %V 36 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CC_2007_36_3_a20/ %G en %F CC_2007_36_3_a20