TY - JOUR AU - Ekaterina P. Mihaylova TI - Open Images of Metrizable Families JO - Mathematica balkanica PY - 2007 SP - 407 VL - 21 IS - 3-4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MABA_2007_21_3-4_a15/ ID - MABA_2007_21_3-4_a15 ER -