@article{BSL3_2_Malinowski,
author = {Grzegorz MALINOWSKI},
title = {$S$ -- Algebras for $n$-Valued Sentential Calculi of Łukasiewicz},
journal = {Bulletin of the Section of Logic},
volume = {3},
number = {2},
year = {1974},
pages = {25--30}
}