A. Krokhin and J. Oprsal, “An invitation to the promise constraint satisfaction problem,” ACM SIGLOG News, vol. 9, no. 3. Association for Computing Machinery, pp. 30–59, 2022.
LibreCat: https://research-explorer.ista.ac.at/record/11991
DOI: 10.1145/3559736.3559740
arXiv: 2208.13538