Raymond, Nicolas. “Uniform Spectral Estimates for Families of Schrödinger Operators With Magnetic Field of Constant Intensity and Applications”. CUBO, A Mathematical Journal 12, no. 1 (March 1, 2010): 67–81. Accessed December 8, 2024. https://cubo.ufro.cl/index.php/cubo/article/view/1427.