DONGILLI IV, Lawrence. Chord Inverses of Real-Valued Parametric Functions. Minnesota Journal of Undergraduate Mathematics, [S.l.], v. 5, n. 1, aug. 2019. ISSN 2378-5810. Available at: <https://mjum.math.umn.edu/index.php/mjum/article/view/112>. Date accessed: 20 oct. 2020.