%0 Journal Article %A B.S. Madhava Rao %T Separable systems in classical and wave mechanics. %J Mathematische Annalen %D 1935 %P 459-468 %V 111 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1935__111_159786/ %F MAN_1935__111_159786