S. N. Popova, M. E. Zhukovskii. Existential monadic second order logic of undirected graphs: The Le Bars conjecture is false. Annals of Pure and Applied Logic, 170(4):505-514, 2019. [doi]
@article{PopovaZ19,
title = {Existential monadic second order logic of undirected graphs: The Le Bars conjecture is false},
author = {S. N. Popova and M. E. Zhukovskii},
year = {2019},
doi = {10.1016/j.apal.2018.12.001},
url = {https://doi.org/10.1016/j.apal.2018.12.001},
researchr = {https://researchr.org/publication/PopovaZ19},
cites = {0},
citedby = {0},
journal = {Annals of Pure and Applied Logic},
volume = {170},
number = {4},
pages = {505-514},
}