@article{1093893589,
author = {Rosenberg, James},
title = {The application of ternary semi-groups to the study of $n$-valued Sheffer functions.},
journal = {Notre Dame J. Formal Logic},
volume = {10},
number = {1},
year = {1969},
pages = { 90-94},
language = {en},
url = {http://dml.mathdoc.fr/item/1093893589}
}
Rosenberg, James. The application of ternary semi-groups to the study of $n$-valued Sheffer functions.. Notre Dame J. Formal Logic, Tome 10 (1969) no. 1, pp. 90-94. http://gdmltest.u-ga.fr/item/1093893589/