Hunsicker, Eugenie Max Planck Institute for Mathematics, Max Planck Society;
Nistor, Victor Max Planck Institute for Mathematics, Max Planck Society;
https://doi.org/10.1063/1.2957940 (Publisher version)
Hunsicker, E., Nistor, V., & Sofo, J. O. (2008). Analysis of periodic Schrödinger operators: regularity and approximation of eigenfunctions. Journal of Mathematical Physics, 49(8): 083501. doi:10.1063/1.2957940.