%0 Journal Article %A E. Ya. Dantsin %T Two tautologihood proof systems based on the split method %J Zapiski Nauchnykh Seminarov POMI %D 1981 %P 24-44 %V 105 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1981_105_a4/ %G ru %F ZNSL_1981_105_a4