@article{ITA_2003__37_2_115_0,
     author = {Finkel, Olivier},
     title = {Undecidability of topological and arithmetical properties of infinitary rational relations},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {115--126},
     publisher = {EDP-Sciences},
     volume = {37},
     number = {2},
     year = {2003},
     doi = {10.1051/ita:2003013},
     mrnumber = {2015687},
     zbl = {1112.03312},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ita:2003013/}
}