%0 Journal Article %A T. Kobayashi %A T. Sunada %A K. Ono %T Periodic Schrödinger Operators on a Manifold. %J Forum mathematicum %D 1989 %P 69-80 %V 1 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FORUM_1989__1_3_141605/ %F FORUM_1989__1_3_141605