MANGINO E, PASCALI E. Existence results for some classes of differential systems with "maxima". Stud. Univ. Babeş-Bolyai Math. [Internet]. 2023 Dec. 11 [cited 2025 Feb. 5];68(4):827-36. Available from: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/6740