J. J. Liu. Distinct squares in run-length encoded strings. Theoretical Computer Science, 411(49):4235-4241, 2010. [doi]
@article{Liu10a-3, title = {Distinct squares in run-length encoded strings}, author = {J. J. Liu}, year = {2010}, doi = {10.1016/j.tcs.2010.08.031}, url = {http://dx.doi.org/10.1016/j.tcs.2010.08.031}, researchr = {https://researchr.org/publication/Liu10a-3}, cites = {0}, citedby = {0}, journal = {Theoretical Computer Science}, volume = {411}, number = {49}, pages = {4235-4241}, }