@article{MOMA_1987__104_178344,
     author = {J.W. Sander},
     title = {A {Reciprocity} {Formula} for {Quadratic} {Forms.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {125--132},
     publisher = {mathdoc},
     volume = {104},
     year = {1987},
     zbl = {0627.10012},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1987__104_178344/}
}