Demange, M.de Werra, D.Monnot, J.Paschos, V. T.2006-08-162006-08-162006-08-16200210.1007/3-540-36379-3_11https://infoscience.epfl.ch/handle/20.500.14299/233053Weighted node coloring: when stable sets are expensivetext::conference output::conference proceedings::conference paper