Domínguez-Vázquez, Miguel, and José M. Manzano. “Isoparametric Surfaces in $E(\kappa,\tau)$-Spaces”. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE 22, no. 1 (March 30, 2021): 269-285. Accessed May 26, 2025. http://20.103.181.36/index.php/annaliscienze/article/view/781.