Hasan, S. (2026). "The Coordinate Temporal Boundary: A Missing Constraint in Einstein's Special Theory of Relativity". Zenodo.
Citazione stile Chigago Style (17a edizione)Hasan, Shadab. "The Coordinate Temporal Boundary: A Missing Constraint in Einstein's Special Theory of Relativity". Zenodo, 2026.
Citatione MLA (9a ed.)Hasan, Shadab. "The Coordinate Temporal Boundary: A Missing Constraint in Einstein's Special Theory of Relativity". Zenodo, 2026.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.