%0 Journal Article %A Leviatan, D. %A Shevchuk, I. %T Nearly Coconvex Approximation %J Serdica Mathematical Journal %D 2002 %P 361-378 %V 28 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SMJ2_2002_28_4_a6/ %G en %F SMJ2_2002_28_4_a6