Kuich97a'

@inproceedings{DBLP:conf/dlt/Kuich97a,
  author    = {Werner Kuich},
  title     = {Formal Power Series over Trees},
  booktitle = {Developments in Language Theory},
  year      = {1997},
  pages     = {61-101},
  crossref  = {DBLP:conf/dlt/1997},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/dlt/1997,
  editor    = {Symeon Bozapalidis},
  title     = {Proceedings of the 3rd International Conference Developments
               in Language Theory, DLT 1997, Thessaloniki, Greece, July
               20-23, 1997},
  booktitle = {Developments in Language Theory},
  publisher = {Aristotle University of Thessaloniki},
  year      = {1997},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}