A new approach to establish the existence of coincidence point in $C^*$-algebra valued metric space. Nonlinear Studies, [S. l.], v. 31, n. 4, p. 1275–1289, 2024. Disponível em: https://nonlinearstudies.com/index.php/nonlinear/article/view/3470. Acesso em: 13 feb. 2025.