YILMAZ, A. Submersions of CR-submanifolds with totally umbilical fibers. International Journal of Maps in Mathematics, [S. l.], v. 9, n. 1, p. 2–9, 2026. Disponível em: https://www.simadp.com/journalmim/article/view/288. Acesso em: 19 jul. 2026.