Heine, E. (2017) “Elementy Teorii Funkcji”, Annales Universitatis Paedagogicae Cracoviensis | Studia ad Didacticam Mathematicae Pertinentia, 6, pp. 153–166. Available at: https://didacticammath.uken.krakow.pl/article/view/3655 (Accessed: 21 November 2024).