Juraj Hromkovic, Georg Schnitger. Lower Bounds on the Size of Sweeping Automata. Journal of Automata, Languages and Combinatorics, 14(1):23-31, 2009.
@article{HromkovicS09-0, title = {Lower Bounds on the Size of Sweeping Automata}, author = {Juraj Hromkovic and Georg Schnitger}, year = {2009}, researchr = {https://researchr.org/publication/HromkovicS09-0}, cites = {0}, citedby = {0}, journal = {Journal of Automata, Languages and Combinatorics}, volume = {14}, number = {1}, pages = {23-31}, }