@article{10_4153_CJM_1979_078_1,
     author = {Nyman, T. and Whaples, G.},
     title = {Simple {Algebras} {Over} {Rational} {Function} {Fields}},
     journal = {Canadian journal of mathematics},
     pages = {831--835},
     year = {1979},
     volume = {31},
     number = {4},
     doi = {10.4153/CJM-1979-078-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1979-078-1/}
}