@article{PORMA_1989__46_2_115661,
     author = {Spiegel, Eugene and Trojan, Allan},
     title = {Schur algebras and isomorphic division algebras},
     journal = {Portugaliae mathematica},
     pages = {189--192},
     year = {1989},
     volume = {46},
     number = {2},
     mrnumber = {1020966},
     zbl = {0682.16017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1989__46_2_115661/}
}