@article{BorndoerferGroetschelLoebel2010, author = {Ralf Bornd{\"o}rfer and Martin Gr{\"o}tschel and Andreas L{\"o}bel}, title = {The Quickest Path to the Goal}, journal = {Mathematics Everywhere}, editor = {Martin Aigner and Ehrhard Behrends}, pages = {27 -- 51}, url = {http://www.ams.org/bookstore-getitem/item=MBK-72}, year = {2010}, }