@misc{JokarMehrmannPfetschetal.2008, author = {Sadegh Jokar and Volker Mehrmann and Marc E. Pfetsch and Harry Yserentant}, title = {Sparse Approximate Solution of Partial Differential Equations}, institution = {Technische Universit{\"a}t Berlin}, type = {preprintmatheon}, year = {2008}, }