TY - JOUR AU - E. Ya. Dantsin TI - Two tautologihood proof systems based on the split method JO - Zapiski Nauchnykh Seminarov POMI PY - 1981 SP - 24 EP - 44 VL - 105 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1981_105_a4/ LA - ru ID - ZNSL_1981_105_a4 ER -