Jorge Almeida, A. Cano, Ondrej Klíma, J.-É. Pin. On fixed points of the lower set operator. IJAC, 25(1-2):259-292, 2015. [doi]
@article{AlmeidaCKP15,
title = {On fixed points of the lower set operator},
author = {Jorge Almeida and A. Cano and Ondrej Klíma and J.-É. Pin},
year = {2015},
doi = {10.1142/S021819671540010X},
url = {http://dx.doi.org/10.1142/S021819671540010X},
researchr = {https://researchr.org/publication/AlmeidaCKP15},
cites = {0},
citedby = {0},
journal = {IJAC},
volume = {25},
number = {1-2},
pages = {259-292},
}