@article{CPT77, <br>AUTHOR = {Celoni, J. and Paul, W.J. and Tarjan, R.E.},<br>TITLE = {Space Bounds for a Game on Graphs},<br>VOLUME = {10}, <br>YEAR = {1977},<br>PAGES = {239--251}, <br>SERIES = {Math. Syst. Theory},<br>EE = {http://www.springerlink.com/content/u32u2r202jv33611/},<br>}