@article{BSL8_3_Kabzinski_Porebska_Wronski,
author = {Jacek K. KABZI{\'N}SKI and Ma{\l}gorzata POR{\k{E}}BSKA and Andrzej WRO{\'N}SKI},
title = {On $\{\leftrightarrow,\neg\}$-Reduct of the Intuitionistic Consequence Operation},
journal = {Bulletin of the Section of Logic},
volume = {8},
number = {3},
year = {1979},
pages = {161--165}
}