@article{GDZPPN002042029,
title = {The addition formula for theta functions. (Summary).},
journal = {Aequationes mathematicae},
volume = {52},
year = {1996},
pages = {196-196},
url = {http://dml.mathdoc.fr/item/GDZPPN002042029}
}
Bonk, Mario. The addition formula for theta functions. (Summary).. Aequationes mathematicae, Tome 52 (1996) p. 196. http://gdmltest.u-ga.fr/item/GDZPPN002042029/