@InProceedings{statman:LIPIcs.FSCD.2021.6,
  author =	{Statman, Rick},
  title =	{{Church’s Semigroup Is Sq-Universal}},
  booktitle =	{6th International Conference on Formal Structures for Computation and Deduction (FSCD 2021)},
  pages =	{6:1--6:6},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-191-7},
  ISSN =	{1868-8969},
  year =	{2021},
  volume =	{195},
  editor =	{Kobayashi, Naoki},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.FSCD.2021.6},
  URN =		{urn:nbn:de:0030-drops-142448},
  doi =		{10.4230/LIPIcs.FSCD.2021.6},
  annote =	{Keywords: lambda calculus, Church’s semigroup, sq-universal}
}