TY - JOUR AU - Švejdar, Vítězslav TI - Arithmetical classification of the set of all provably recursive functions JO - Commentationes Mathematicae Universitatis Carolinae PY - 1999 SP - 631 EP - 634 VL - 40 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1999__40_4_a2/ LA - en ID - CMUC_1999__40_4_a2 ER -