Review of Fundamentals of Covariant Quantum Mechanics in the Dual 4- Dimensional Space-Time : Substance of Wave Function, the Origin of Quantum Probability and the Cause of Quantum Superposition State. LJRS. 2023;23(2):1-26. Accessed February 2, 2026. https://journalspress.uk/index.php/LJRS/article/view/387