%0 Journal Article
%A S. M. Dudakov
%A B. N. Karlov
%A S. L. Kuznetsov
%A E. M. Fofanova
%T Complexity of Lambek calculi with modalities and of total derivability in grammars
%J Algebra i logika
%D 2021
%P 471-496
%V 60
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_2021_60_5_a1/
%G ru
%F AL_2021_60_5_a1