Fixed-Point Theory, Variational Inequalities, and Its Approximation Algorithms. - Giuseppe Marino 001; Vittorio Colao; Yonghong Yao; Genaro López-Acedo; Enrique Llorens-Fuster (Int. J. Math. Math. Sci., 2011)

A Short Proof that Some Mappings of the Unit Ball of ℓ2 Are Never Nonexpansive. - Jesús Ferrer; Enrique Llorens-Fuster (Am. Math. Mon., 2020)