Miguel Santoyo, Ernesto Vallejo. Additivity obstructions for integral matrices and pyramids. Theoretical Computer Science, 406(1-2):136-145, 2008. [doi]
@article{SantoyoV08,
title = {Additivity obstructions for integral matrices and pyramids},
author = {Miguel Santoyo and Ernesto Vallejo},
year = {2008},
doi = {10.1016/j.tcs.2008.06.004},
url = {http://dx.doi.org/10.1016/j.tcs.2008.06.004},
researchr = {https://researchr.org/publication/SantoyoV08},
cites = {0},
citedby = {0},
journal = {Theoretical Computer Science},
volume = {406},
number = {1-2},
pages = {136-145},
}