S. Kikot, I. Shapirovsky, and E. Zolin. Modal logics with transitive closure: completeness,
decidability, filtration. In Advances in Modal Logic, volume 13, pages 369–388, 2020. ISBN
978-1-84890-341-8. https://arxiv.org/pdf/2011.02205.pdf
| Authors: Kikot S., Shapirovsky I., Zolin E. |