Hajnal Andréka, Szabolcs Mikulás. Lambek Calculus and its relational semantics: Completeness and incompleteness. Journal of Logic, Language and Information, 3(1):1-37, 1994. [doi]
@article{AndrekaM94-0,
title = {Lambek Calculus and its relational semantics: Completeness and incompleteness},
author = {Hajnal Andréka and Szabolcs Mikulás},
year = {1994},
doi = {10.1007/BF01066355},
url = {http://dx.doi.org/10.1007/BF01066355},
researchr = {https://researchr.org/publication/AndrekaM94-0},
cites = {0},
citedby = {0},
journal = {Journal of Logic, Language and Information},
volume = {3},
number = {1},
pages = {1-37},
}