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@article{CMH_1973__48_139557, author = {Henrik H. Martens}, title = {On the {Partial} {Derivatives} of {Thetafunctions}}, journal = {Commentarii mathematici Helvetici}, pages = {394--408}, publisher = {mathdoc}, volume = {48}, year = {1973}, zbl = {0268.14013}, url = {http://geodesic.mathdoc.fr/item/CMH_1973__48_139557/} }
Henrik H. Martens. On the Partial Derivatives of Thetafunctions. Commentarii mathematici Helvetici, Tome 48 (1973), pp. 394-408. http://geodesic.mathdoc.fr/item/CMH_1973__48_139557/