TY - JOUR AU - S. Yu. Maslov AU - V. P. Orevkov TI - Decidable classes that reduce to a single quantifier class JO - Informatics and Automation PY - 1972 SP - 57 EP - 66 VL - 121 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1972_121_a3/ LA - ru ID - TRSPY_1972_121_a3 ER -