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A. NICOLAE, “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., vol. 60, no. 3, pp. 486–487, Sep. 2015.