Banakh I. Sala Weinlös and Irena Krampner, students of Hugo Steinhaus and Kazimierz Twardowski. Mat. Stud. [Internet]. 2025Dec.21 [cited 2026Jan.8];64(2):208-20. Available from: http://matstud.org.ua/ojs/index.php/matstud/article/view/654