Tatiana Odzijewicz, Agnieszka B. Malinowska, Delfim F. M. Torres. Fractional Variational Calculus with Classical and Combined Caputo Derivatives.
Nonlinear Analysis: Theory, Methods and Applications, Elsevier, 2012, 75 (3), pp.1507-1515.
⟨10.1016/j.na.2011.01.010⟩.
⟨hal-00724703⟩