%0 Journal Article %A A. E. Pentus %A M. R. Pentus %T Proof nets for the Lambek calculus with one division and a~negative-polarity modality for weakening %J Fundamentalʹnaâ i prikladnaâ matematika %D 2020 %P 247-257 %V 23 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2020_23_2_a13/ %G ru %F FPM_2020_23_2_a13