@article{1183734583,
author = {Sugihara, Takeo},
title = {The Number of Modalities in T Supplemented by the Axiom $CL^2pL^3p$},
journal = {J. Symbolic Logic},
volume = {27},
number = {1},
year = {1962},
pages = { 407-408},
language = {en},
url = {http://dml.mathdoc.fr/item/1183734583}
}
Sugihara, Takeo. The Number of Modalities in T Supplemented by the Axiom $CL^2pL^3p$. J. Symbolic Logic, Tome 27 (1962) no. 1, pp. 407-408. http://gdmltest.u-ga.fr/item/1183734583/