@article{RO_2002__36_4_279_0,
     author = {Monnot, J\'er\^ome},
     title = {Differential approximation of {NP-hard} problems with equal size feasible solutions},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {279--297},
     publisher = {EDP-Sciences},
     volume = {36},
     number = {4},
     year = {2002},
     doi = {10.1051/ro:2003008},
     mrnumber = {1997926},
     zbl = {1037.90059},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/ro:2003008/}
}