1. Aavatsmark I., Barkve T., Boe O. and Mannseth T., Discretization on non-orthogonal, quadrilateral grids for inhomogeneous, anisotropic media.J. Comput. Phys.127(1996) 2–14.
2. Andreianov B., Bendahmane M. and Karlsen K.H., Discrete duality finite volume schemes for doubly nonlinear degenerate hyperbolic-parabolic equations.J. Hyperbolic Differ. Equ.7(2010) 1–67.
3. Andreianov B., Bendahmane M. and Hubert F., On 3D DDFV discretization of gradient and divergence operators: discrete functional analysis tools and applications to degenerate parabolic problems.Comput. Methods Appl. Math.13(2013) 369–410.
4. B. Andreianov, M. Bendahmane and K. Karlsen, A Gradient Reconstruction Formula for Finite-volume Schemes and Discrete Duality. InProc. of Finite Volumes for Complex Applications V. ISTE, London (2008) 161–168.
5. Y. Alnashri and J. Droniou, Gradient schemes for variational inequalities (2014). Submitted.