%0 Journal Article %A Paschos, V. Th. %T A relation between the approximated versions of minimum set covering, minimum vertex covering and maximum independent set %J RAIRO - Operations Research - Recherche Opérationnelle %D 1994 %P 413-433 %V 28 %N 4 %I EDP-Sciences %U http://www.numdam.org/item/RO_1994__28_4_413_0/ %G en %F RO_1994__28_4_413_0