@article{1093883182,
author = {Titiev, Robert J.},
title = {On self-sustenance in systems of epistemic logic.},
journal = {Notre Dame J. Formal Logic},
volume = {21},
number = {1},
year = {1980},
pages = { 585-590},
language = {en},
url = {http://dml.mathdoc.fr/item/1093883182}
}
Titiev, Robert J. On self-sustenance in systems of epistemic logic.. Notre Dame J. Formal Logic, Tome 21 (1980) no. 1, pp. 585-590. http://gdmltest.u-ga.fr/item/1093883182/