@article{1093887938,
author = {Loader, John},
title = {Second order and higher order universal decision elements in $m$-valued logic.},
journal = {Notre Dame J. Formal Logic},
volume = {18},
number = {1},
year = {1977},
pages = { 313-317},
language = {en},
url = {http://dml.mathdoc.fr/item/1093887938}
}
Loader, John. Second order and higher order universal decision elements in $m$-valued logic.. Notre Dame J. Formal Logic, Tome 18 (1977) no. 1, pp. 313-317. http://gdmltest.u-ga.fr/item/1093887938/