SASTRY, K.P.R. QUARTET FIXED POINTS FOR MAPS ON A MULTIPLICATIVE METRIC SPACE. Journal of Global Research in Mathematical Archives(JGRMA), [S. l.], v. 5, n. 7, p. 49–62, 2018. Disponível em: https://jgrma.com/index.php/jgrma/article/view/495. Acesso em: 13 mar. 2025.