Caky, Peter, Juraj Boron, Martin Klimo, and Katarina Bachrata. “Mathematical Formulas in Text to Speech System”. Communications - Scientific letters of the University of Zilina 11, no. 3 (September 30, 2009): 49-53. Accessed April 6, 2026. http://journals.uniza.sk/index.php/communications/article/view/1007.