CARF`I, David.
 Lecture notes of Relativistic Mechanics: Worldlines, times and velocities of a particle.
<strong>Journal of Mathematical Economics and Finance</strong>, [S.l.], v. 6, n. 1, p. 57-76, june 2020.
ISSN 2458-0813.
Available at: &lt;<a href="https://journals.aserspublishing.eu/jmef/article/view/5771" target="_new">https://journals.aserspublishing.eu/jmef/article/view/5771</a>&gt;. Date accessed: 26 apr. 2024.
doi: <a href="https://doi.org/10.14505/jmef.v6.1(10).04">https://doi.org/10.14505/jmef.v6.1(10).04</a>.