@InProceedings{PrusaITAT2001,
  UPDATE  = { 2010-02-18 },
  author =      {Daniel Pr{\r u}{\v s}a},
  title =       {Two-dimensional Context-free Grammars},
  year =        {2001},
  pages =       {27-40},
  booktitle =   {ITAT'2001: Information Technologies - Application and Theory},
  editor =      {Gabriela Andrejkov{\' a} and Stanislav Kraj{\v c}i},
  publisher =   {Technical University of Ko{\v s}ice},
  address =     {Ko{\v s}ice, Slovakia},
  isbn =        {80-7097-464-8},
  book_pages =  {120},
  month =       {September},
  day =         {06-09},
  venue =       {Zuberec, Slovakia},
  annote = {We present a generalization of context-free grammars to two-dimensions
    and define picture languages generated by these grammars.
    We examine some properties of the formed class and we describe how
    these languages can be recognized by two-dimensional forgetting automata. },
  keywords =    {context-free grammars, two-dimensional languages},
  authorship =  {100},
  project = {157/1999/A-INF/MFF},
  psurl = {[pdf, 172 KB]},
}