EhrenfeuchtZ76'

BibTeX

@article{DBLP:journals/jcss/EhrenfeuchtZ76,
  author    = {Andrzej Ehrenfeucht and
               H. Paul Zeiger},
  title     = {Complexity Measures for Regular Expressions},
  journal   = {J. Comput. Syst. Sci.},
  volume    = {12},
  number    = {2},
  year      = {1976},
  pages     = {134-146},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}