Abreu, Ivanildo Silva, Jean Robert Pereira Rodrigues, Adson Pinto Nunes, Paulo Victor Brito Araújo, Alan Jefferson Lima Aragão, Isaias dos Santos Penha, Cristovam Filho Dervalmar Rodrigues Teixeira, José Ribamar Ferreira Silva, Marlos Luís Rocha Martins, and Lourival Matos de Sousa Filho. “PROOF OF THE GENERALIZED PYTHAGOREAN THEOREM IN THE TRI-RECTANGULAR TETRAHEDRON VIA GRAM MATRIX”. Seven Editora (August 20, 2025): 670–686. Accessed August 21, 2025. https://sevenpubl.com.br/editora/article/view/7822.