@article{10_4153_CMB_1977_072_9,
     author = {Stitzinger, Ernest L.},
     title = {On the {Commutativity} of {Semi-Simple} {Associative} {Algebras}},
     journal = {Canadian mathematical bulletin},
     pages = {485--487},
     year = {1977},
     volume = {20},
     number = {4},
     doi = {10.4153/CMB-1977-072-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1977-072-9/}
}