R. KRISHNAKUMAR; D. DHAMODHARAN. Some Fixed Point Theorems in Cone Banach Spaces Using $\Phi_p$ Operator. International Journal of Mathematics And its Applications, [S. l.], v. 4, n. 2 - B, p. 105–112, 2016. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/1031. Acesso em: 20 may. 2024.