NICOLAE A. Miroslav Bačák, Convex analysis and optimization in Hadamard spaces, De Gruyter Series in Nonlinear Analysis and Applications, Vol. 22, viii + 185 pp, Walter de Gruyter, Berlin, 2014, ISBN 978-3-11-036103-2/hbk; 978-3-11-036162-9/ebook. Stud. Univ. Babeş-Bolyai Math. [Internet]. 2015 Sep. 30 [cited 2025 Feb. 5];60(3):486-7. Available from: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/5812