Bostjan Bresar, Simon Spacapan. On the connectivity of the direct product of graphs. Australasian J. Combinatorics, 41:45-56, 2008. [doi]
@article{BresarS08, title = {On the connectivity of the direct product of graphs}, author = {Bostjan Bresar and Simon Spacapan}, year = {2008}, url = {http://ajc.maths.uq.edu.au/pdf/41/ajc_v41_p045.pdf}, researchr = {https://researchr.org/publication/BresarS08}, cites = {0}, citedby = {0}, journal = {Australasian J. Combinatorics}, volume = {41}, pages = {45-56}, }