Minimal Enclosing Parallelogram with Application.

Christian Schwarz Jürgen Teich Alek Vainshtein Emo Welzl Brian L. Evans Minimal Enclosing Parallelogram with Application. C34-C35 1995 Symposium on Computational Geometry http://doi.acm.org/10.1145/220279.220338 db/conf/compgeom/compgeom95.html#SchwarzTVWE95