@article{MAN_1989__285_1_164621,
     author = {H. Lange and C. Birkenhake},
     title = {Abelian surfaces of type (1, 4).},
     journal = {Mathematische Annalen},
     pages = {625--646},
     publisher = {mathdoc},
     volume = {285},
     number = {1},
     year = {1989},
     zbl = {0714.14028},
     url = {http://geodesic.mathdoc.fr/item/MAN_1989__285_1_164621/}
}