@ARTICLE {34457, author={J. Rasga and C. Sernadas}, doi={10.18778/0138-0680.2024.11}, journal={Bulletin of the Section of Logic}, title={On Combining Intuitionistic and S4 Modal Logic}, year={2024}, month={June}, volume={53}, number={3}, pages={321-344}, ISSN={0138-0680} }