“Real Spectra in Logarithmic Model PT-Symmetry Operators: Iso-Spectra in Logarithmic PT-Symmetry”. European Journal of Pure and Applied Mathematics 16, no. 3 (July 30, 2023): 2005–2008. Accessed May 16, 2024. https://www.ejpam.com/index.php/ejpam/article/view/4860.