@article{1093888510,
author = {Schumm, George F.},
title = {Putting ${\cal K}$ in its place.},
journal = {Notre Dame J. Formal Logic},
volume = {19},
number = {1},
year = {1978},
pages = { 623-628},
language = {en},
url = {http://dml.mathdoc.fr/item/1093888510}
}
Schumm, George F. Putting ${\cal K}$ in its place.. Notre Dame J. Formal Logic, Tome 19 (1978) no. 1, pp. 623-628. http://gdmltest.u-ga.fr/item/1093888510/