@article{10_4153_CJM_1969_054_5,
     author = {Marcus, Marvin and Nikolai, Paul J.},
     title = {Inequalities for some {Monotone} {Matrix} {Functions}},
     journal = {Canadian journal of mathematics},
     pages = {485--494},
     year = {1969},
     volume = {21},
     number = {1},
     doi = {10.4153/CJM-1969-054-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-054-5/}
}