@article{DMTCS_2006_special_252_a24,
     author = {Kostrzycka, Zofia},
     title = {Density of truth in modal logics},
     journal = {Discrete mathematics & theoretical computer science},
     publisher = {mathdoc},
     volume = {DMTCS Proceedings vol. AG, Fourth Colloquium on Mathematics and Computer Science Algorithms, Trees, Combinatorics and Probabilities},
     year = {2006},
     doi = {10.46298/dmtcs.3500},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.3500/}
}