TY - JOUR AU - V. I. Amstislavskiǐ TI - A sharpened theorem on substitution for computable functionals and some of its consequences JO - Trudy Moskovskogo matematičeskogo obŝestva PY - 1978 SP - 255 EP - 269 VL - 37 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MMO_1978_37_a7/ LA - ru ID - MMO_1978_37_a7 ER -