TY - JOUR AU - Zmeškalová, Eva TI - Shortening of the universal class in the alternative set theory [Abstract of thesis] JO - Commentationes Mathematicae Universitatis Carolinae PY - 1988 VL - 29 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1988__29_1_a32/ LA - en ID - CMUC_1988__29_1_a32 ER -