@book{ Solr-321167, title = {Automata, languages and machines. Volume A [E-Book]}, series = {Pure and applied mathematics ;}, author = {Eilenberg, Samuel.}, editor = {Eilenberg, Samuel.}, address = {New York}, publisher = {Academic Press}, year = {1974}, pages = {451}, note = {englisch}, url = {http://www.sciencedirect.com/science/book/9780122340017} }