Uwe Nestmann. On the Expressive Power of Joint Input. Electronic Notes in Theoretical Computer Science, 16(2):145-152, 1998. [doi]
@article{Nestmann98,
title = {On the Expressive Power of Joint Input},
author = {Uwe Nestmann},
year = {1998},
url = {http://www.elsevier.com/gej-ng/31/29/23/40/25/show/Products/notes/index.htt#008},
researchr = {https://researchr.org/publication/Nestmann98},
cites = {0},
citedby = {0},
journal = {Electronic Notes in Theoretical Computer Science},
volume = {16},
number = {2},
pages = {145-152},
}