TY - JOUR AU - Sochor, AntonĂ­n TI - Metamathematics of the alternative set theory. I. JO - Commentationes Mathematicae Universitatis Carolinae PY - 1979 SP - 697 EP - 722 VL - 20 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1979__20_4_a6/ LA - en ID - CMUC_1979__20_4_a6 ER -