%0 Journal Article
%A S. V. Solov'ev
%T A growth of length of $\mathrm L$-derivationtrans formed into natural deduction
%J Zapiski Nauchnykh Seminarov POMI
%D 1979
%P 192-196
%V 88
%U http://geodesic.mathdoc.fr/item/ZNSL_1979_88_a14/
%G ru
%F ZNSL_1979_88_a14