@article{10_37236_1557, author = {Fan Chung and Ronald Graham and Tom Leighton}, title = {Guessing secrets}, journal = {The electronic journal of combinatorics}, year = {2001}, volume = {8}, number = {1}, doi = {10.37236/1557}, zbl = {0961.68100}, url = {http://geodesic.mathdoc.fr/articles/10.37236/1557/} }