TY - JOUR AU - A. Błaszczyk TI - On maps which are perfect with respect to the Hewitt realcompact extension JO - Colloquium Mathematicum PY - 1973 SP - 57 EP - 61 VL - 27 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-27-1-57-61/ DO - 10.4064/cm-27-1-57-61 LA - en ID - 10_4064_cm_27_1_57_61 ER -