@article{10_4153_S0008439520000971,
     author = {Fu, Xiaohui and Lau, Pan-Shun and Tam, Tin-Yau},
     title = {Inequalities on partial traces of positive semidefinite block matrices},
     journal = {Canadian mathematical bulletin},
     pages = {964--969},
     year = {2021},
     volume = {64},
     number = {4},
     doi = {10.4153/S0008439520000971},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008439520000971/}
}