TY  - JOUR
AU  - Irit Dinur
AU  - Samuel Safra
TI  - On the hardness of approximating vertex cover
JO  - Annals of mathematics
PY  - 2005
SP  - 439
EP  - 485
VL  - 162
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4007/annals.2005.162.439/
DO  - 10.4007/annals.2005.162.439
LA  - en
ID  - 10_4007_annals_2005_162_439
ER  -