Manfred Kudlek.
On closure properties of sentential form language classes of words.
In Ludwik Czaja, editor, Concurrency, Specification, and
Programming. Workshop CS&P 2009, Kraków-Przegorzay, Poland.
Proceedings, volume 1, pages 315-326, September 2009.
[link]
[link]
@InProceedings{Kudlek09e, author = {Kudlek, Manfred}, title = {On Closure Properties of Sentential Form Language Classes of Words}, booktitle = {Concurrency, Specification, and Programming. Workshop {CS{\&}P 2009}, Krak{\'o}w-Przegorza{\l}y, Poland. Proceedings}, pages = {315--326}, year = 2009, editor = {Czaja, Ludwik}, volume = 1, month = sep, url = {http://csp2009.mimuw.edu.pl/proc.php} }