@article{2218,
author = {G\"otlind, Erik},
title = {Some Sheffer functions in n-valued logic},
journal = {Portugaliae mathematica},
volume = {11},
year = {1952},
pages = {141-149},
zbl = {0047.01601},
mrnumber = {0053882},
language = {en},
url = {http://dml.mathdoc.fr/item/2218}
}
Götlind, Erik. Some Sheffer functions in n-valued logic. Portugaliae mathematica, Tome 11 (1952) pp. 141-149. http://gdmltest.u-ga.fr/item/2218/