Borowski, A., Gorzkowski, A., Bielawski, K., Niedźwiedź, J., Ryczek, W. (). On setting and crossing boundaries. A conversation with the founders of "Terminus" on the occasion of the 25th anniversary of the journal: Prof. Andrzej Borowski, Prof. Albert Gorzkowski, Prof. Krzysztof Bielawski and Prof. Jakub Niedźwiedź. Terminus, . doi: https://doi.org/