%0 Journal Article %A V. P. Orevkov %T Upper and lower bounds on the height of proofs in sequent calculus for intuitionistic logic %J Zapiski Nauchnykh Seminarov POMI %D 2020 %P 124-169 %V 497 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2020_497_a5/ %G ru %F ZNSL_2020_497_a5