TY - JOUR AU - Blair, Robert L. TI - Spaces in Which Special Sets are z-Embedded JO - Canadian journal of mathematics PY - 1976 SP - 673 EP - 690 VL - 28 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1976-068-9/ DO - 10.4153/CJM-1976-068-9 ID - 10_4153_CJM_1976_068_9 ER -