A criterion for admissibility of rules in the modal system
Algebra i logika, Tome 23 (1984) no. 5, pp. 546-572
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@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},
publisher = {mathdoc},
volume = {23},
number = {5},
year = {1984},
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/