Certain extensions of modal system $S4$.
Sobociński, Bolesław
Notre Dame J. Formal Logic, Tome 11 (1970) no. 1, p. 347-368 / Harvested from Project Euclid
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Publié le : 1970-07-14
Classification:  02.27 
@article{1093894006,
     author = {Soboci\'nski, Boles\l aw},
     title = {Certain extensions of modal system $S4$.},
     journal = {Notre Dame J. Formal Logic},
     volume = {11},
     number = {1},
     year = {1970},
     pages = { 347-368},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1093894006}
}

Sobociński, Bolesław. Certain extensions of modal system $S4$.. Notre Dame J. Formal Logic, Tome 11 (1970) no. 1, pp.  347-368. http://gdmltest.u-ga.fr/item/1093894006/