@misc{Pukelsheim_Friedrich_Nonnegative_1979,
 author={Pukelsheim, Friedrich},
 volume={27},
 editor={Styan, George Peter Hansbenno},
 editor={Polska Akademia Nauk.},
 editor={Państwowe Wydawnictwo Naukowe (1951–1992)},
 number={3-4},
 copyright={Rights Reserved - Restricted Access},
 address={Varsovie},
 howpublished={online},
 year={1979},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={rus},
 language={eng},
 type={Text},
 title={Nonnegative definiteness of the estimated dispersion matrix a multivariate linear model},
}