Matthias Jantzen and Manfred Kudlek.
Homomorphic images of sentential form languages defined by
semi-Thue systems.
Bericht des Fachbereichs Informatik FBI-HH-B-89/83, Universität
Hamburg, Fachbereich Informatik, Vogt-Kölln Str. 30, D-22527 Hamburg,
February 1983.
@techreport{Jantzen+83b, Address = FBIUniAdresse, Author = {Jantzen, Matthias and Kudlek, Manfred}, Institution = FBIUniHHbis2005, Month = feb, Number = {FBI-HH-B-89/83}, Pages = 93, Type = FBIBericht, Title = {Homomorphic images of sentential form languages defined by semi-{Thue} systems}, Year = 1983 }