Modal logics and varieties of modal algebras: the Beth,
Algebra i logika, Tome 31 (1992) no. 2, pp. 145-166
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@article{AL_1992_31_2_a3,
author = {L. L. Maksimova},
title = {Modal logics and varieties of modal algebras: the {Beth,}},
journal = {Algebra i logika},
pages = {145--166},
publisher = {mathdoc},
volume = {31},
number = {2},
year = {1992},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/AL_1992_31_2_a3/}
}
L. L. Maksimova. Modal logics and varieties of modal algebras: the Beth,. Algebra i logika, Tome 31 (1992) no. 2, pp. 145-166. http://geodesic.mathdoc.fr/item/AL_1992_31_2_a3/