Guseva, Naděžda, Anastasia Ivakina, and Marie Chodorová. “Inversion and Its Application”. MATHEMATICS–PHYSICS–INFORMATICS 25, no. 2 (February 28, 2016): 84–89. Accessed November 15, 2026. https://mfi.upol.cz/index.php/mfi/article/view/255.