@article{Koutschan08a,
 author = {Christoph Koutschan},
 title = {Regular languages and their generating functions: the inverse problem},
 journal = {Theoretical Computer Science},
 year = {2008},
 volume = {391},
 number = {1-2},
 pages = {65--74},
 isbn_issn = {ISSN 0304-3975},
 doi = {10.1016/j.tcs.2007.10.031},
}