@article{BSL1_1_Suchon,
author = {Wojciech SUCHO{\'N}},
title = {On Non Equivalence of Two Definitions of The Algebras of {\L}ukasiewicz},
journal = {Bulletin of the Section of Logic},
volume = {1},
number = {1},
year = {1972},
pages = {35--37}
}