PETRUȘEL, Adrian. Book reviews: “John R. Graef, Johnny Henderson, Abdelghani Ouahab; Topological Methods for Differential Equations and Inclusions”, CRC Press, Taylor & Francis Group, Boca Raton, FL, USA, 2019, xiv + 360 pp., ISBN 9781138332294 - CAT# K393112. Studia Universitatis Babeș-Bolyai Mathematica, [S. l.], v. 65, n. 1, p. 161–162, 2020. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/2436. Acesso em: 5 feb. 2025.