PETRUȘEL, Adrian. 2022. “Book Reviews: Aram V. Arutyunov and Valeri Obukhovskii; Convex and Set-Valued Analysis. Selected Topics, De Gruyter Graduate, De Gruyter, Berlin 2017, viii+201 p., ISBN: 978-3-11- 046028-5 Pbk; 978-3-11-046030-8 Ebook”. Studia Universitatis Babeș-Bolyai Mathematica 62 (1):137. https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/1706.