@book{OPUS4-3198, title = {Production Factor Mathematics}, editor = {Martin Gr{\"o}tschel and Klaus Lucas and Volker Mehrmann}, isbn = {978-3-642-11247-8}, doi = {10.1007/978-3-642-11248-5}, url = {http://www.springer.com/math/book/978-3-540-89434-6}, year = {2010}, }