TY: JOUR T1 - Generalized Euler-Lagrange Equations for Variational Problems with Scale Derivatives A1 - Almeida, R. A1 - Torres, D.F.M. N2 - We obtain several Euler-Lagrange equations for variational functionals defined on a set of Hölder curves. The cases when the Lagrangian contains multiple scale derivatives, depends on a parameter, or contains higher-order scale derivatives are considered. © 2010 Springer. UR - https://ria.ua.pt/handle/10773/4081 Y1 - 2010 PB - Springer Verlag