Program-ing Finger Trees in Coq in ICFP'07. Matthieu Sozeau. Freiburg, Germany:
ACM Press, 2007, pp.13-24.
ACM, 2007. This is the author's version of the work. It is posted here by permission of ACM for your personal use. Not for redistribution. The definitive version was published in ICFP'07, http://doi.acm.org/10.1145/1291151.1291156