COBZAȘ, Ștefan. “Book Reviews: Mark Elin, Simeon Reich and David Shoikhet, Numerical Range of Holomorphic Mappings and Applications, Cham: Birkhauser Xiv + 229 P. 2019. ISBN 978-3-030-05019-1 Hbk; 978-3-030-05020-7 Ebook”. Studia Universitatis Babeș-Bolyai Mathematica 66, no. 1 (October 13, 2022): 241–243. Accessed February 5, 2025. https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/1284.