%0 Journal Article %A Jonas Ekman Fjeldstad %T An Equation of Finite Differences, which has Some Connection with the Jacobian Thetafunctions. %J Mathematica Scandinavica %D 1968 %P 81-86 %V 22 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1968__22_166033/ %F MS2_1968__22_166033