@article{MAN_1992__293_4_164969,
     author = {J. Bochnak and J. Huisman},
     title = {When is a complex elliptic curve the product of two real algebraic curves?},
     journal = {Mathematische Annalen},
     pages = {469--474},
     publisher = {mathdoc},
     volume = {293},
     number = {4},
     year = {1992},
     zbl = {0734.14018},
     url = {http://geodesic.mathdoc.fr/item/MAN_1992__293_4_164969/}
}