@article{FPM_2020_23_2_a13,
     author = {A. E. Pentus and M. R. Pentus},
     title = {Proof nets for the {Lambek} calculus with one division and a~negative-polarity modality for weakening},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {247--257},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2020_23_2_a13/}
}