Stepan Holub. Polynomial-time algorithm for fixed points of nontrivial morphisms. Discrete Mathematics, 309(16):5069-5076, 2009. [doi]
@article{Holub09-1,
title = {Polynomial-time algorithm for fixed points of nontrivial morphisms},
author = {Stepan Holub},
year = {2009},
doi = {10.1016/j.disc.2009.03.019},
url = {http://dx.doi.org/10.1016/j.disc.2009.03.019},
researchr = {https://researchr.org/publication/Holub09-1},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {309},
number = {16},
pages = {5069-5076},
}