%0 Journal Article %A V. P. Orevkov %T Applications of cut elimination for obtaining bounds on the lengths of proofs %J Doklady Akademii Nauk %D 1987 %P 539-542 %V 296 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_296_3_a5/ %G ru %F DAN_1987_296_3_a5