@article{1093891311,
author = {Parks, Zane and Smith, Terry L.},
title = {The inadequacy of Hughes and Cresswell's semantics for the ${\rm CI}$ systems.},
journal = {Notre Dame J. Formal Logic},
volume = {15},
number = {1},
year = {1974},
pages = { 331-332},
language = {en},
url = {http://dml.mathdoc.fr/item/1093891311}
}
Parks, Zane; Smith, Terry L. The inadequacy of Hughes and Cresswell's semantics for the ${\rm CI}$ systems.. Notre Dame J. Formal Logic, Tome 15 (1974) no. 1, pp. 331-332. http://gdmltest.u-ga.fr/item/1093891311/