@article{GDZPPN002042223,
title = {The addition formula for theta functions.},
journal = {Aequationes mathematicae},
volume = {53},
year = {1997},
pages = {54-72},
zbl = {0881.39016},
url = {http://dml.mathdoc.fr/item/GDZPPN002042223}
}
Bonk, Mario. The addition formula for theta functions.. Aequationes mathematicae, Tome 53 (1997) pp. 54-72. http://gdmltest.u-ga.fr/item/GDZPPN002042223/