Max Kanovich, Stepan Kuznetsov, Andre Scedrov, “The multiplicative-additive Lambek calculus with subexponential and bracket modalities”, J. Logic Lang. Inf., 30 (2021), 31–88
Max Kanovich, Stepan Kuznetsov, Andre Scedrov, “The complexity of multiplicative-additive Lambek calculus: 25 years later”, Lecture Notes in Comput. Sci., 11541 (2019), 356–372
Alexander Okhotin, Lecture Notes in Computer Science, 10792, Language and Automata Theory and Applications, 2018, 36
Alexander Okhotin, Lecture Notes in Computer Science, 11088, Developments in Language Theory, 2018, 36
Christian Wurm, “Language-Theoretic and Finite Relation Models for the (Full) Lambek Calculus”, J of Log Lang and Inf, 26:2 (2017), 179