Joy Morris. The CI Problem for Infinite Groups. Electr. J. Comb., 23(4):4, 2016. [doi]
@article{Morris16-4, title = {The CI Problem for Infinite Groups}, author = {Joy Morris}, year = {2016}, url = {http://www.combinatorics.org/ojs/index.php/eljc/article/view/v23i4p37}, researchr = {https://researchr.org/publication/Morris16-4}, cites = {0}, citedby = {0}, journal = {Electr. J. Comb.}, volume = {23}, number = {4}, pages = {4}, }