@article{JMLR:v8:hamsici07a,
  author  = {Onur C. Hamsici and Aleix M. Martinez},
  title   = {Spherical-Homoscedastic Distributions: The Equivalency of Spherical and Normal Distributions in Classification},
  journal = {Journal of Machine Learning Research},
  year    = {2007},
  volume  = {8},
  number  = {56},
  pages   = {1583--1623},
  url     = {http://jmlr.org/papers/v8/hamsici07a.html}
}