TY - JOUR AU - Ofer Shafir TI - Two cases when $d_{\kappa }$ and $d^*_{\kappa} $ are equal JO - Fundamenta Mathematicae PY - 2001 SP - 17 EP - 21 VL - 167 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm167-1-2/ DO - 10.4064/fm167-1-2 LA - en ID - 10_4064_fm167_1_2 ER -