Caky, P., Boron, J., Klimo, M. and Bachrata, K. (2009) “Mathematical Formulas in Text to Speech System”, Communications - Scientific letters of the University of Zilina, 11(3), pp. 49-53. Available at: http://journals.uniza.sk/index.php/communications/article/view/1007 (Accessed: 6April2026).