Maria A. Mardanova. “Distribution of Galaxies’ Brightness for Spheroidal Distribution Models of Luminosity and Absorbing Matter”. International Journal of Advanced Science and Technology 29, no. 7 (May 20, 2020): 1813 - 1820. Accessed May 6, 2024. http://sersc.org/journals/index.php/IJAST/article/view/17073.