TY - JOUR AU - B. Anderson TI - A class of topologies with $T_1$-complements JO - Fundamenta Mathematicae PY - 1970 SP - 267 EP - 277 VL - 69 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-69-3-267-277/ DO - 10.4064/fm-69-3-267-277 LA - en ID - 10_4064_fm_69_3_267_277 ER -