@misc{Baksalary_Jerzy_K._Two_1980,
 author={Baksalary, Jerzy K.},
 volume={28},
 number={5-6},
 editor={Kala, Radosław},
 editor={Polska Akademia Nauk.},
 editor={Państwowe Wydawnictwo Naukowe (1951–1992)},
 copyright={Rights Reserved - Restricted Access},
 address={Varsovie},
 howpublished={online},
 year={1980},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={eng},
 type={Text},
 title={Two properties of a nonnegative definite matrix},
}