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@article{MZ_1955__63_169548, author = {L.J. Mordell}, title = {The {Minimum} of an {Inhomogeneous} {Quadratic} {Polynomial} in n {Variables.}}, journal = {Mathematische Zeitschrift}, pages = {525--528}, publisher = {mathdoc}, volume = {63}, year = {1955}, zbl = {0070.04401}, url = {http://geodesic.mathdoc.fr/item/MZ_1955__63_169548/} }
L.J. Mordell. The Minimum of an Inhomogeneous Quadratic Polynomial in n Variables.. Mathematische Zeitschrift, Tome 63 (1955), pp. 525-528. http://geodesic.mathdoc.fr/item/MZ_1955__63_169548/