TY - JOUR AU - Arhangel'skii, Aleksander V. TI - Functional tightness, $Q$-spaces and $\tau$-embeddings JO - Commentationes Mathematicae Universitatis Carolinae PY - 1983 SP - 105 EP - 120 VL - 24 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1983__24_1_a9/ LA - en ID - CMUC_1983__24_1_a9 ER -