@article{IM_1983__71_143009,
     author = {R. Parimala and M. Ojanguren},
     title = {Indecomposable {Quadratic} {Bundles} of rank 4n over the {Real} {Affine} {Plane.}},
     journal = {Inventiones mathematicae},
     pages = {643--654},
     publisher = {mathdoc},
     volume = {71},
     year = {1983},
     zbl = {0513.14006},
     url = {http://geodesic.mathdoc.fr/item/IM_1983__71_143009/}
}