@ARTICLE {33414,
author={P.  Filipe and S. Marcelino and C. Caleiro},
doi={10.1093/logcom/exac073},
journal={Journal of Logic and Computation},
title={Computational properties of finite PNmatrices},
year={2022},
month={November},
volume={na},
number={na},
pages={na-na},
ISSN={0955-792X}
}