@article{v016a016,
 author = {Bhangale, Amey and Harsha, Prahladh and Varma, Girish},
 title = {A Characterization of Hard-to-Cover CSPs},
 year = {2020},
 pages = {1--30},
 doi = {10.4086/toc.2020.v016a016},
 publisher = {Theory of Computing},
 journal = {Theory of Computing},
 volume = {16},
 number = {16},
 URL = {https://theoryofcomputing.org/articles/v016a016},
}