TY - JOUR AU - N. K. Kossovski TI - On algorithmical sequences belonging to the initial class of Grzegorczyk hierarchy JO - Zapiski Nauchnykh Seminarov POMI PY - 1971 SP - 60 EP - 66 VL - 20 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1971_20_a6/ LA - ru ID - ZNSL_1971_20_a6 ER -