TY - JOUR AU - Feigenbaum, Joan TI - Games, complexity classes, and approximation algorithms. JO - Documenta mathematica PY - 1998 SP - 429 EP - 439 VL - ICM Berlin 1998, Vol. III PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DOCMA_1998__S9__a36/ LA - en ID - DOCMA_1998__S9__a36 ER -