Mikolaj Bojanczyk. Weak MSO with the Unbounding Quantifier. Theory Comput. Syst., 48(3):554-576, 2011. [doi]
@article{Bojanczyk11-0, title = {Weak MSO with the Unbounding Quantifier}, author = {Mikolaj Bojanczyk}, year = {2011}, doi = {10.1007/s00224-010-9279-2}, url = {http://dx.doi.org/10.1007/s00224-010-9279-2}, researchr = {https://researchr.org/publication/Bojanczyk11-0}, cites = {0}, citedby = {0}, journal = {Theory Comput. Syst.}, volume = {48}, number = {3}, pages = {554-576}, }