Zoltán Ésik, Hans Leiß. Algebraically complete semirings and Greibach normal form. Annals of Pure and Applied Logic, 133(1-3):173-203, 2005. [doi]
@article{EsikL05, title = {Algebraically complete semirings and Greibach normal form}, author = {Zoltán Ésik and Hans Leiß}, year = {2005}, doi = {10.1016/j.apal.2004.10.008}, url = {http://dx.doi.org/10.1016/j.apal.2004.10.008}, tags = {completeness, algebra}, researchr = {https://researchr.org/publication/EsikL05}, cites = {0}, citedby = {0}, journal = {Annals of Pure and Applied Logic}, volume = {133}, number = {1-3}, pages = {173-203}, }