@article{AMBP_2013__20_2_391_0,
     author = {Czekalski, Stefan},
     title = {The new properties of the theta functions},
     journal = {Annales math\'ematiques Blaise Pascal},
     pages = {391--398},
     publisher = {Annales math\'ematiques Blaise Pascal},
     volume = {20},
     number = {2},
     year = {2013},
     doi = {10.5802/ambp.332},
     zbl = {1282.33030},
     mrnumber = {3138035},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/ambp.332/}
}