Volker Diekert, Armin Weiß. Context-Free Groups and their Structure Trees. IJAC, 23(3):611-642, 2013. [doi]
@article{DiekertW13,
title = {Context-Free Groups and their Structure Trees},
author = {Volker Diekert and Armin Weiß},
year = {2013},
doi = {10.1142/S0218196713500124},
url = {http://dx.doi.org/10.1142/S0218196713500124},
researchr = {https://researchr.org/publication/DiekertW13},
cites = {0},
citedby = {0},
journal = {IJAC},
volume = {23},
number = {3},
pages = {611-642},
}