TY - JOUR AU - Lee, Hyang-Sook TI - The Stable and Unstable Types of Classifying Spaces JO - Canadian mathematical bulletin PY - 1997 SP - 341 EP - 351 VL - 40 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1997-040-4/ DO - 10.4153/CMB-1997-040-4 ID - 10_4153_CMB_1997_040_4 ER -