%0 Journal Article
%A Vangelis Th. Paschos
%T An Overview on Polynomial Approximation of NP-Hard Problems
%J Yugoslav journal of operations research
%D 2009
%P 3 
%V 19
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/YJOR_2009_19_1_a0/
%G en
%F YJOR_2009_19_1_a0