1. Linear orders in the pushdown hierarchy;Braud,2010
2. Frontiers of infinite trees;Courcelle;Theor. Inform. Appl.,1978
3. Automaticité des ordinaux et des graphes homogènes;Delhommé;C. R. Acad. Sci. Paris, Ser. I,2004
4. Hausdorff rank of scattered context-free linear orders;Ésik,2012
5. An algorithm for the solution of fixed-point equations for infinite words;Heilbrunner;Theor. Inform. Appl.,1980