@article{MOMA_1966__70_177328,
     author = {A. Duane Porter},
     title = {Pairs of {Bilinear} and {Quadratic} {Equations} in a {Finite} {Field.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {155--160},
     publisher = {mathdoc},
     volume = {70},
     year = {1966},
     zbl = {0163.05106},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1966__70_177328/}
}