Чашечникова, Ольга Серафимівна, and Тетяна Іванівна Панченко. “Development of Innovative Thinking of Students through the Solution of Functional Equations”. Pedagogy of Higher and Secondary Education 38 (May 16, 2013): 162–166. Accessed November 26, 2024. https://journal.kdpu.edu.ua/ped/article/view/3195.