@article{BSL5_1_Dziobiak,
author = {Wies{\l}aw DZIOBIAK},
title = {Classically Axiomatizable Modal Propositional Calculi Containing the System T of Feys Von--Wright},
journal = {Bulletin of the Section of Logic},
volume = {5},
number = {1},
year = {1976},
pages = {20--24}
}