TY - JOUR AU - Calvin F. K. Jung TI - On the deficiency of product spaces JO - Colloquium Mathematicum PY - 1973 SP - 245 EP - 246 VL - 27 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-27-2-245-246/ DO - 10.4064/cm-27-2-245-246 LA - en ID - 10_4064_cm_27_2_245_246 ER -