SIVASUBRAMANIAN, M.; KALIMUTHU, S. Application of algebra to trisect an angle of 60 degree. Annals of Mathematics and Physics, [S. l.], v. 4, n. 1, p. 013–015, 2021. DOI: 10.17352/amp.000020. Disponível em: https://www.peertechzpublications.us/amp/article/view/AMP-4-120. Acesso em: 10 jan. 2025.