@article{10_4064_ba61_2_2,
     author = {A. Schinzel},
     title = {Note to the {Paper
} {{\textquotedblleft}A} {Positive} {Definite} {Binary} {Quadratic} {Form
} as a {Sum} of {Five} {Squares} of {Linear} {Forms
} {(Completion} of {Mordell's} {Proof){\textquotedblright}
} {(Bull.} {Polish} {Acad.} {Sci.} {Math.} 61 (2013), 23{\textendash}26)},
     journal = {Bulletin of the Polish Academy of Sciences. Mathematics},
     pages = {107--107},
     publisher = {mathdoc},
     volume = {61},
     number = {2},
     year = {2013},
     doi = {10.4064/ba61-2-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ba61-2-2/}
}