@article{2012,
author = {G\"otlind, Erik},
title = {A Lesniewski-Mihailescu-theorem for m-valued propositional calculi},
journal = {Portugaliae mathematica},
volume = {10},
year = {1951},
pages = {97-102},
zbl = {0043.24902},
mrnumber = {0045669},
language = {en},
url = {http://dml.mathdoc.fr/item/2012}
}
Götlind, Erik. A Lesniewski-Mihailescu-theorem for m-valued propositional calculi. Portugaliae mathematica, Tome 10 (1951) pp. 97-102. http://gdmltest.u-ga.fr/item/2012/