TY - JOUR AU - S. Kleene TI - Extension of an effectively generated class of functions by enumeration JO - Colloquium Mathematicum PY - 1958 SP - 67 EP - 78 VL - 6 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-6-1-67-78/ DO - 10.4064/cm-6-1-67-78 LA - en ID - 10_4064_cm_6_1_67_78 ER -