TY - JOUR AU - Čuda, Karel TI - An elimination of infinitely small quantities and infinitely large numbers (within the framework of AST) JO - Commentationes Mathematicae Universitatis Carolinae PY - 1980 SP - 433 EP - 445 VL - 21 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1980__21_3_a2/ LA - en ID - CMUC_1980__21_3_a2 ER -