Daniil Gasnikov, Arseny M. Shur. Square-Free Partial Words with Many Wildcards. Int. J. Found. Comput. Sci., 29(5):845-860, 2018. [doi]
@article{GasnikovS18,
title = {Square-Free Partial Words with Many Wildcards},
author = {Daniil Gasnikov and Arseny M. Shur},
year = {2018},
doi = {10.1142/S0129054118420078},
url = {https://doi.org/10.1142/S0129054118420078},
researchr = {https://researchr.org/publication/GasnikovS18},
cites = {0},
citedby = {0},
journal = {Int. J. Found. Comput. Sci.},
volume = {29},
number = {5},
pages = {845-860},
}