%0 Journal Article %A Diptesh Ghosh %A Gerard Sierksma %T On the complexity of determining tolerances for $\varepsilon $-optimal solutions to min-max combinatorial optimization problems %J Applicationes Mathematicae %D 2003 %P 305-313 %V 30 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am30-3-5/ %R 10.4064/am30-3-5 %G en %F 10_4064_am30_3_5