@article{BSL3_2_Graczynska_Wronski,
author = {Ewa GRACZY{\'N}SKA and Andrzej WRO{\'N}SKI},
title = {On the Construction of Matrices Strongly Adequate for Pre-Finite Logic},
journal = {Bulletin of the Section of Logic},
volume = {3},
number = {2},
year = {1974},
pages = {15--18}
}