# Combinatory Logic

* [Flattening Combinators: Surviving Without Parentheses]
  by Chris Okasaki (2003) ([DOI])


[Flattening Combinators: Surviving Without Parentheses]:
    https://web.archive.org/web/20170828181221/http://www.westpoint.edu:80/eecs/SiteAssets/SitePages/Faculty%20Publication%20Documents/Okasaki/jfp03flat.pdf
[DOI]:
    https://doi.org/10.1017/S0956796802004483