1. Al Hajj Shehadeh: H., Kohn, R.V., Weare, J.: The evolution of a crystal surface: analysis of a one-dimensional step train connecting two facets in the ADL regime. Phys. D 240(21), 1771–1784 (2011)
2. Burton, W.K., Cabrera, N., Frank, F.C.: The growth of crystals and the equilibrium structure of their surfaces. Philos. Trans. R. Soc. Lond. A Math. Phys. Eng. Sci. 243(866), 299–358 (1951)
3. Butzer, P.L., Nessel, R.J.: Fourier Analysis and Approximation, vol. 40. Academic Press, London (2011)
4. Dal Maso, G., Fonseca, I., Leoni, G.: Analytical validation of a continuum model for epitaxial growth with elasticity on vicinal surfaces. Arch. Ration. Mech. Anal. 212(3), 1037–1064 (2014)
5. Duport, C., Nozieres, P., Villain, J.: New instability in molecular beam epitaxy. Phys. Rev. Lett. 74, 134–137 (1995a)