GENERALIZATION OF APPLICATION OF FUNDAMENTAL LEMMA OF VARIATIONAL CALCULUS TO THE REVOLUTIONIZE TRANSPORTATION BY USING THE SOLUTION OF BRACHICHRONE. Balkan Journal of Applied Mathematics and Informatics, [S. l.], v. 6, n. 1, p. 49–58, 2023. Disponível em: https://js.ugd.edu.mk/index.php/bjami/article/view/5658. Acesso em: 3 oct. 2025.