%0 Journal Article %A Bennewitz, Christer %A Saitō, Yoshimi %T An embedding norm and the Lindqvist trigonometric functions %J Electronic journal of differential equations %D 2002 %V 2002 %U http://geodesic.mathdoc.fr/item/EJDE_2002__2002__a108/ %G en %F EJDE_2002__2002__a108