TY - JOUR AU - G. S. Tseitin TI - A~reduced form of normal algorithms and a~linear speed-up theorem JO - Zapiski Nauchnykh Seminarov POMI PY - 1971 SP - 234 EP - 242 VL - 20 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1971_20_a21/ LA - ru ID - ZNSL_1971_20_a21 ER -