TY - JOUR AU - John Burgess TI - A reflection phenomenon in descriptive set theory JO - Fundamenta Mathematicae PY - 1979 SP - 127 EP - 139 VL - 104 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-104-2-127-139/ DO - 10.4064/fm-104-2-127-139 LA - en ID - 10_4064_fm_104_2_127_139 ER -