@article{Kazana2013d, 
     author = "Kazana, Wojciech and Segoufin, Luc", 
     doi = "10.1145/2528928", 
     isbn = "9781450320665", 
     issn = "15293785", 
     journal = "ACM Transactions on Computational Logic", 
     keyword = "bounded expansion,enumeration,first-order", 
     link = "http://doi.acm.org/10.1145/2528928", 
     number = "4", 
     pages = "25:1--25:12", 
     title = "Enumeration of monadic second-order queries on trees", 
     uri = "http://doi.acm.org/10.1145/2528928", 
     volume = "14", 
     year = "2013", 
}

Problems: 196