Šorli , Amrit S., and Štefan Čelan. “Einstein’s Misunderstanding of Time in the Time-Invariant Universe: Astrophysics, Relativity”. International Journal of Fundamental Physical Sciences 11, no. 1 (March 26, 2021): 1–5. Accessed January 15, 2025. https://www.fundamentaljournals.org/index.php/ijfps/article/view/130.