COBZAȘ, S. . Ronald S. Calinger, Leonhard Euler. Mathematical Genius in the Enlightenment, Princeton, NJ: Princeton University Press, 2016, xvii+669 P, (ISBN 978-0-691-11927-4 Hbk; 978-0-691-11927-4 Ebook). Stud. Univ. Babeş-Bolyai Math. 2016, 61, 251-252.