@article{10_4153_CJM_1968_098_4,
     author = {Radjavi, Heydar},
     title = {Simultaneous {Unitary} {Invariants} for {Sets} of {Matrices}},
     journal = {Canadian journal of mathematics},
     pages = {1012--1019},
     year = {1968},
     volume = {20},
     number = {1},
     doi = {10.4153/CJM-1968-098-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1968-098-4/}
}