Hamed M. K. Alazemi, Anton Cerný. Several extensions of the Parikh matrix L-morphism. J. Comput. Syst. Sci., 79(5):658-668, 2013. [doi]
@article{AlazemiC13,
title = {Several extensions of the Parikh matrix L-morphism},
author = {Hamed M. K. Alazemi and Anton Cerný},
year = {2013},
doi = {10.1016/j.jcss.2013.01.018},
url = {http://dx.doi.org/10.1016/j.jcss.2013.01.018},
researchr = {https://researchr.org/publication/AlazemiC13},
cites = {0},
citedby = {0},
journal = {J. Comput. Syst. Sci.},
volume = {79},
number = {5},
pages = {658-668},
}