@article{Ray_2005, title={The topography of multivariate normal mixtures}, volume={33}, ISSN={0090-5364}, url={http://dx.doi.org/10.1214/009053605000000417}, DOI={10.1214/009053605000000417}, number={5}, journal={The Annals of Statistics}, publisher={Institute of Mathematical Statistics}, author={Ray, Surajit and Lindsay, Bruce G.}, year={2005}, month=Oct }