HERRERA, B.; SAMPER, A..
Eight-Centered Oval Quasi-Equivalent to Kepler’s Ellipse of Planets’ Prajectory.
Revista Cubana de Física, [S.l.], v. 33, n. 1, p. 32-36, july 2016.
ISSN 2224-7939.
Available at: <https://www.revistacubanadefisica.org/index.php/rcf/article/view/11>. Date accessed: 04 may 2024.