@string{jsat="J on Satisfiability, Boolean Modeling and Computation"} @Article{Szeider09a, author = {Stefan Szeider}, title = {Matched Formulas and Backdoor Sets}, Journal = JSAT, pages = {1-12}, volume = {6}, year = {2009}, url = {https://www.ac.tuwien.ac.at/files/pub/Szeider09a.pdf}, }