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@article{DBLP:journals/entcs/Hughes06,
author = {Dominic J. D. Hughes},
title = {Towards Hilbert's 24$^{\mbox{th}}$ Problem: Combinatorial Proof
Invariants: (Preliminary version)},
journal = {Electr. Notes Theor. Comput. Sci.},
volume = {165},
year = {2006},
pages = {37-63},
ee = {http://dx.doi.org/10.1016/j.entcs.2006.05.036},
bibsource = {DBLP, http://dblp.uni-trier.de}
}
Copyright © 2007-02-12 by Michael Ley (ley@uni-trier.de)