@misc{KaiserNeidhardtRehberg2009, author = {Hans-Christoph Kaiser and Hagen Neidhardt and Joachim Rehberg}, title = {Classical solutions of drift-diffusion equations for semiconductor devices: The 2D case}, institution = {Weierstraß-Institut f{\"u}r Angewandte Analysis und Stochastik (WIAS)}, type = {preprintmatheon}, year = {2009}, }