COBZA¸S S. Book reviews" "Boris S. Mordukhovich; Variational Analysis and Applications", Springer Monographs in Mathematics. Springer, Cham, 2018. xix+622 p. ISBN: 978-3-319-92773-2/hbk; 978-3-319-92775-6/ebook. Stud. Univ. Babeş-Bolyai Math. [Internet]. 2022 Nov. 10 [cited 2025 Feb. 5];63(4):561–562. Available from: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/2176