TY - JOUR AU - L. Polkowski TI - Some theorems on invariance of infinite dimension under open and closed mappings JO - Fundamenta Mathematicae PY - 1983 SP - 11 EP - 34 VL - 119 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-119-1-11-34/ DO - 10.4064/fm-119-1-11-34 LA - en ID - 10_4064_fm_119_1_11_34 ER -