@article{1093894152,
author = {Shukla, Anjan},
title = {Finite model property for five modal calculi in the neighbourhood of $S3$.},
journal = {Notre Dame J. Formal Logic},
volume = {12},
number = {1},
year = {1971},
pages = { 69-74},
language = {en},
url = {http://dml.mathdoc.fr/item/1093894152}
}
Shukla, Anjan. Finite model property for five modal calculi in the neighbourhood of $S3$.. Notre Dame J. Formal Logic, Tome 12 (1971) no. 1, pp. 69-74. http://gdmltest.u-ga.fr/item/1093894152/