VICANOVIĆ, Jelena. Optimality Conditions for Isoperimetric Continuous-Time Optimization Problems. Yugoslav Journal of Operations Research, [S. l.], v. 33, n. 2, p. 249–258, 2022. DOI: 10.2298/YJOR220415013V. Disponível em: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/733. Acesso em: 8 nov. 2025.