Zhalukevich, D.S. (2026) “Equivalence transformations of families of se­cond-order quasi-linear hyperbolic equations of a two-variable function”, Journal of the Belarusian State University. Mathematics and Informatics, (2), pp. 28–38. Available at: https://journals.bsu.by/index.php/mathematics/article/view/7305 (Accessed: 11 November 2026).