A. Ferriero: Funzioni armoniche: convergenza tangenziale e non-tangenziale (Degree Thesis) 2001 A. Cellina, A. Ferriero: Existence of Lipschitz solutions to the classical problem of the calculus of variations in the autonomous case Ann. Inst. H. Poincaré Anal. Non Linéaire Vol. 20, N. 6, p. 374-384, 2003 A. Cellina, A. Ferriero, E. Marchini: Reparameterizations and approximation of integrals of the calculus of variations J. Differential Equations Vol. 193, N. 2, p. 374-384, 2003 A. Ferriero: The Lavrentiev phenomenon in the calculus of variations (Ph.D. Thesis) 2004 A. Ferriero: The approximation of higher-order integrals of the calculus of variations and the Lavrentiev phenomenon SIAM J. Control Optim. Vol. 44, N. 1, p. 99-110, 2005 A. Ferriero, E. Marchini: On the validity of the Euler-Lagrange equation J. Math. Anal. Appl. Vol. 304, N. 1, p. 356-369, 2005 A. Cellina, A. Ferriero, E. Marchini: On the existence of solutions to a minum time control problems and applications to Fermat's principle and the Brachistochrone Systems Control Lett. Vol. 55, p. 119-123, 2006 A. Ferriero: Action functionals that attain regular minima in presence of energy gaps Discrete Contin. Dyn. Syst. 2007 A. Ferriero: The weak repulsion property J. Math. Pures Appl. 2007 A. Ferriero: Quasi-static evolution for fatigue debonding ESAIM Control Optim. Calc. Var. 2008 G. Allaire, A. Ferriero: Homogenization and long time asymptotic of a fluid-structure interaction problem Discrete Contin. Dyn. Syst. Ser. B 2008 B. Dacorogna, A. Ferriero: Regularity and selecting principles for Implicit ODEs Discrete Cont. Dyn. Syst. Ser. B 2009 A. Ferriero, N. Fusco: A note on sets of finite perimeter in the plane Discrete Cont. Dyn. Syst. Ser. B 2009