@article{1183744624,
author = {Takano, Mitio},
title = {Subformula Property in Many-Valued Modal Logics},
journal = {J. Symbolic Logic},
volume = {59},
number = {1},
year = {1994},
pages = { 1263-1273},
language = {en},
url = {http://dml.mathdoc.fr/item/1183744624}
}
Takano, Mitio. Subformula Property in Many-Valued Modal Logics. J. Symbolic Logic, Tome 59 (1994) no. 1, pp. 1263-1273. http://gdmltest.u-ga.fr/item/1183744624/