Ian M. Wanless, Bridget S. Webb. Small partial Latin squares that cannot be embedded in a Cayley table. Australasian J. Combinatorics, 67:352-363, 2017. [doi]
@article{WanlessW17,
title = {Small partial Latin squares that cannot be embedded in a Cayley table},
author = {Ian M. Wanless and Bridget S. Webb},
year = {2017},
url = {http://ajc.maths.uq.edu.au/pdf/67/ajc_v67_p352.pdf},
researchr = {https://researchr.org/publication/WanlessW17},
cites = {0},
citedby = {0},
journal = {Australasian J. Combinatorics},
volume = {67},
pages = {352-363},
}