@article{DesharnaisMoeller2020,
  author    = {Jules Desharnais and Bernhard M{\"o}ller},
  title     = {The theta-join as a join with theta},
  journal   = {Lecture Notes in Computer Science},
  volume    = {12062},
  pages     = {47 -- 64},
  doi       = {10.1007/978-3-030-43520-2_4},
  year      = {2020},
}