@article{BSL6_4_Wozniakowska,
author = {Barbara WO{\'Z}NIAKOWSKA},
title = {Algebraic Proof of the Separation Theorem for the Infinite-Valued Logic of {\L}ukasiewicz},
journal = {Bulletin of the Section of Logic},
volume = {6},
number = {4},
year = {1977},
pages = {186--189}
}