Linear axiomatics of commutative product-free Lambek calculus

@article{Zielonka1990LinearAO,
  title={Linear axiomatics of commutative product-free Lambek calculus},
  author={Wojciech Zielonka},
  journal={Studia Logica},
  year={1990},
  volume={49},
  pages={515-522}
}