Gautam Appa, Dimitris Magos, Ioannis Mourtos. An LP-based proof for the non-existence of a pair of orthogonal Latin squares of order 6. Oper. Res. Lett., 32(4):336-344, 2004. [doi]
@article{AppaMM04:0,
title = {An LP-based proof for the non-existence of a pair of orthogonal Latin squares of order 6},
author = {Gautam Appa and Dimitris Magos and Ioannis Mourtos},
year = {2004},
doi = {10.1016/j.orl.2003.10.010},
url = {http://dx.doi.org/10.1016/j.orl.2003.10.010},
tags = {rule-based},
researchr = {https://researchr.org/publication/AppaMM04%3A0},
cites = {0},
citedby = {0},
journal = {Oper. Res. Lett.},
volume = {32},
number = {4},
pages = {336-344},
}