COBZAȘ, S. “Antonio J. Guirao, Vicente Montesinos and Václav Zizler, Open Problems in the Geometry and Analysis of Banach Spaces. Cham: Springer 2016, Xii + 169 p., ISBN 978-3-319-33571-1 Hbk; 978-3-319-33572-8 Ebook”. Studia Universitatis Babeș-Bolyai Mathematica 61, no. 4 (December 30, 2016): 531–532. Accessed February 5, 2025. https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/5643.