@article{GDZPPN002061112, title = {On the Partial Derivatives of Thetafunctions}, journal = {Commentarii mathematici Helvetici}, volume = {48}, year = {1973}, pages = {394-408}, zbl = {0268.14013}, url = {http://dml.mathdoc.fr/item/GDZPPN002061112} }
Martens, Henrik H. On the Partial Derivatives of Thetafunctions. Commentarii mathematici Helvetici, Tome 48 (1973) pp. 394-408. http://gdmltest.u-ga.fr/item/GDZPPN002061112/