@article{10_4064_aa_70_3_209_214,
     author = {Irving Kaplansky},
     title = {Ternary positive quadratic forms that represent all odd positive integers},
     journal = {Acta Arithmetica},
     pages = {209--214},
     publisher = {mathdoc},
     volume = {70},
     number = {3},
     year = {1995},
     doi = {10.4064/aa-70-3-209-214},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-70-3-209-214/}
}