Voir la notice de l'article provenant de la source Electronic Library of Mathematics
@article{DOCMA_1998__S9__a35, author = {H\r{a}stad, Johan}, title = {On approximating {NP-hard} optimization problems}, journal = {Documenta mathematica}, pages = {441--450}, publisher = {mathdoc}, volume = {ICM Berlin 1998, Vol. III}, year = {1998}, language = {en}, url = {http://geodesic.mathdoc.fr/item/DOCMA_1998__S9__a35/} }
Håstad, Johan. On approximating NP-hard optimization problems. Documenta mathematica, ICM Berlin 1998, Vol. III (1998), pp. 441-450. http://geodesic.mathdoc.fr/item/DOCMA_1998__S9__a35/