%0 Journal Article %1 journals/acta/EhrenfeuchtR76 %A Ehrenfeucht, Andrzej %A Rozenberg, Grzegorz %D 1976 %J Acta Inf. %K dblp %P 407-415 %T On Proving that Certain Languages are not ETOL. %U http://dblp.uni-trier.de/db/journals/acta/acta6.html#EhrenfeuchtR76 %V 6

@article{journals/acta/EhrenfeuchtR76, added-at = {2011-01-11T00:00:00.000+0100}, author = {Ehrenfeucht, Andrzej and Rozenberg, Grzegorz}, biburl = {https://www.bibsonomy.org/bibtex/237c650ba9ae93f76f782189b25fa17a3/dblp}, ee = {http://dx.doi.org/10.1007/BF00268142}, interhash = {9c8d7bcfb64fcdc70c19f7866ed4e2fd}, intrahash = {37c650ba9ae93f76f782189b25fa17a3}, journal = {Acta Inf.}, keywords = {dblp}, pages = {407-415}, timestamp = {2011-01-12T11:32:21.000+0100}, title = {On Proving that Certain Languages are not ETOL.}, url = {http://dblp.uni-trier.de/db/journals/acta/acta6.html#EhrenfeuchtR76}, volume = 6, year = 1976 }