Storozh, O.G., G.I. Chuyko, T.S. Kudryk, Ya.V. Mykytyuk, and N.S. Sushchyk. “Vladyslav Elijovych Lyantse (in Honour of the 100th Anniversary of Birth)”. Matematychni Studii 55, no. 2 (June 23, 2021): 214-222. Accessed October 16, 2021. http://matstud.org.ua/ojs/index.php/matstud/article/view/211.