TY - JOUR AU - T. M. Kuz'mina TI - The structure of $m$-degrees of index sets of families of partial recursive functions JO - Algebra i logika PY - 1981 SP - 55 EP - 68 VL - 20 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1981_20_1_a4/ LA - ru ID - AL_1981_20_1_a4 ER -