Rozenblum, Grigori, and Nikolay Shirokov. “Entire Functions in Weighted 𝘓₂ and Zero Modes of the Pauli Operator With Non-Signdefinite Magnetic Field”. CUBO, A Mathematical Journal 12, no. 1 (March 1, 2010): 115–132. Accessed October 12, 2025. https://cubo.ufro.cl/index.php/cubo/article/view/1431.