TY - JOUR AU - Jovanovic, A. TI - A note on ultrapower cardinality. JO - Publications de l'Institut Mathématique [Elektronische Ressource] PY - 1978 VL - 38 SP - 79 EP - 82 KW - ultrapower cardinality; regular ultrafilter; cardinal arithmetic; inaccessible cardinal UR - http://eudml.org/doc/181416 ER -