@article{10_4064_am30_3_5,
     author = {Diptesh Ghosh and Gerard Sierksma},
     title = {On the complexity of determining tolerances
 for $\varepsilon $-optimal solutions to
 min-max combinatorial optimization problems},
     journal = {Applicationes Mathematicae},
     pages = {305--313},
     publisher = {mathdoc},
     volume = {30},
     number = {3},
     year = {2003},
     doi = {10.4064/am30-3-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am30-3-5/}
}