Saraiva, Odirley Willians Miranda, et al. “Direct Proof through an Equilateral Hyperbola to Find the Infinite Pythagorean Triples and a Direct Proof to Find the Sum of All Odd Numbers through a Telescopic Series”. International Journal for Innovation Education and Research, vol. 9, no. 11, Nov. 2021, pp. 511-4, https://doi.org/10.31686/ijier.vol9.iss11.3543.