@article{BSL2_3_Suchon, author = {Wojciech SUCHOƃ}, title = {On Defining Moisil's Functors in $n$-Valued {\L}ukasiewicz Propositional Logic}, journal = {Bulletin of the Section of Logic}, volume = {2}, number = {3}, year = {1973}, pages = {195--196} }