Cycles in random k-ary maps and the poor performance of random number generation.

Robin Pemantle Cycles in random k-ary maps and the poor performance of random number generation. 72-84 2005 54 J. Algorithms 1 http://dx.doi.org/10.1016/j.jalgor.2003.09.002 db/journals/jal/jal54.html#Pemantle05a