@misc{ElschnerKaiserRehbergetal.2008, author = {Johannes Elschner and Hans-Christoph Kaiser and Joachim Rehberg and Gunther Schmidt}, title = {\${W}^{1,q}\$ regularity results for elliptic transmission problems on heterogeneous polyhedra}, institution = {Weierstraß-Institut f{\"u}r Angewandte Analysis und Stochastik (WIAS)}, type = {preprintmatheon}, year = {2008}, }