TY - JOUR AU - E. A. Polyakov TI - Some questions of recursive function theory JO - Algebra i logika PY - 1968 SP - 77 EP - 84 VL - 7 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1968_7_2_a6/ LA - ru ID - AL_1968_7_2_a6 ER -