@article{10_4064_aa_9_4_357_364,
     author = {R. Brauer},
     title = {On certain classes of positive definite quadratic forms},
     journal = {Acta Arithmetica},
     pages = {357--364},
     publisher = {mathdoc},
     volume = {9},
     number = {4},
     year = {1964},
     doi = {10.4064/aa-9-4-357-364},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-9-4-357-364/}
}