%0 Journal Article %A Henrik H. Martens %T On the Partial Derivatives of Thetafunctions %J Commentarii mathematici Helvetici %D 1973 %P 394-408 %V 48 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1973__48_139557/ %F CMH_1973__48_139557