TY - JOUR AU - Michael H. Freedman TI - Complexity classes as mathematical axioms JO - Annals of mathematics PY - 2009 SP - 995 EP - 1002 VL - 170 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4007/annals.2009.170.995/ DO - 10.4007/annals.2009.170.995 LA - en ID - 10_4007_annals_2009_170_995 ER -