László Babai, László Pyber. Permutation Groups without Exponentially Many Orbits on the Power Set. Journal of Combinatorial Theory, Series A, 66(1):160-168, 1994.
@article{BabaiP94, title = {Permutation Groups without Exponentially Many Orbits on the Power Set}, author = {László Babai and László Pyber}, year = {1994}, researchr = {https://researchr.org/publication/BabaiP94}, cites = {0}, citedby = {0}, journal = {Journal of Combinatorial Theory, Series A}, volume = {66}, number = {1}, pages = {160-168}, }