@article{lmcs:9081, title = {Positive First-order Logic on Words and Graphs}, author = {Denis Kuperberg}, url = {https://lmcs.episciences.org/9081}, doi = {10.46298/lmcs-19(3:7)2023}, journal = {Logical Methods in Computer Science}, issn = {1860-5974}, volume = {Volume 19, Issue 3}, eid = 7, year = {2023}, month = {Jul}, keywords = {Computer Science - Formal Languages and Automata Theory, Computer Science - Logic in Computer Science, Mathematics - Logic}, }