1. An optimum property of Gauss Markov estimates when errors have elliptic distributions;Ali;Inst. Math. Statist. Bull.,1982
2. The integral of a symmetric unimodal function over a symmetric convex set and some probability inequalities;Anderson,1955
3. Elliptically symmetric distributions: A review and bibliography;Chmielewski;Internat. Statist. Rev.,1981
4. Multivariate unimodality;Dharmadhikari;Ann. Statist.,1976
5. A spherical measure inequality for convex sets;Fefferman,1972