@inproceedings{Kieronski,
    doi = {10.1109/lics.2005.49},
    url = {https://doi.org/10.1109%2Flics.2005.49},
    publisher = {{IEEE}},
    author = {E. Kieronski and M. Otto},
    title = {Small Substructures and Decidability Issues for First-Order Logic with Two Variables},
    booktitle = {20th Annual {IEEE} Symposium on Logic in Computer Science ({LICS}{\textquotesingle} 05)}
}

@inproceedings{Kieronski, doi = {10.1109/lics.2005.49}, url = {https://doi.org/10.1109%2Flics.2005.49}, publisher = {{IEEE}}, author = {E. Kieronski and M. Otto}, title = {Small Substructures and Decidability Issues for First-Order Logic with Two Variables}, booktitle = {20th Annual {IEEE} Symposium on Logic in Computer Science ({LICS}{\textquotesingle} 05)} }