Nikolenko, Oleksandr. “On the Reasons and Features of the Current of Time in Pseudoeuclidean Spaces”. Physics of Consciousness and Life, Cosmology and Astrophysics 14, no. 1 (September 10, 2015): 20–45. Accessed September 25, 2021. https://physics.socionic.info/index.php/physics/article/view/36.