@incollection{AST_1976__38-39__105_0,
     author = {Hotz, G\"unter},
     title = {Der {Satz} {Von} {Chomsky-Sch\"utzenberger} und die schwerste kontextfreie sprache von {S.} {Greibach}},
     booktitle = {Journ\'ees algorithmiques},
     series = {Ast\'erisque},
     pages = {105--115},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {38-39},
     year = {1976},
     mrnumber = {445920},
     zbl = {0352.68090},
     language = {de},
     url = {http://archive.numdam.org/item/AST_1976__38-39__105_0/}
}