Gabriel Istrate. The Strong Equivalence of ET0L Grammars. Inf. Process. Lett., 62(4):171-176, 1997. [doi]
@article{Istrate97,
title = {The Strong Equivalence of ET0L Grammars},
author = {Gabriel Istrate},
year = {1997},
doi = {10.1016/S0020-0190(97)00067-7},
url = {http://dx.doi.org/10.1016/S0020-0190(97)00067-7},
tags = {grammar},
researchr = {https://researchr.org/publication/Istrate97},
cites = {0},
citedby = {0},
journal = {Inf. Process. Lett.},
volume = {62},
number = {4},
pages = {171-176},
}