A criterion for admissibility of rules in the modal system
Algebra i logika, Tome 23 (1984) no. 5, pp. 546-572
@article{AL_1984_23_5_a5,
author = {V. V. Rybakov},
title = {A criterion for admissibility of rules in the modal system},
journal = {Algebra i logika},
pages = {546--572},
year = {1984},
volume = {23},
number = {5},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/AL_1984_23_5_a5/}
}
V. V. Rybakov. A criterion for admissibility of rules in the modal system. Algebra i logika, Tome 23 (1984) no. 5, pp. 546-572. http://geodesic.mathdoc.fr/item/AL_1984_23_5_a5/