@article{MAN_1993__297_3_165148,
     author = {R. Sridharan and R. Parimala and V. Suresh},
     title = {A question on the discriminants of involutions of central division algebras.},
     journal = {Mathematische Annalen},
     pages = {575--580},
     publisher = {mathdoc},
     volume = {297},
     number = {3},
     year = {1993},
     zbl = {0803.16013},
     url = {http://geodesic.mathdoc.fr/item/MAN_1993__297_3_165148/}
}