@inproceedings{DBLP:conf/fct/AdamekT77,
  author    = {Jir\'{\i} Ad{\'a}mek and
               Vera Trnkov{\'a}},
  title     = {Recognizable and Regular Languages in a Category},
  booktitle = {FCT},
  year      = {1977},
  pages     = {206-211},
  ee        = {http://dx.doi.org/10.1007/3-540-08442-8_87},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}