@article{MAN_1981__255_182852,
     author = {Paul Ponomarev},
     title = {The {Doi-Naganuma} {Lifting} of {Quaternary} {Theta} {Series.}},
     journal = {Mathematische Annalen},
     pages = {443--452},
     publisher = {mathdoc},
     volume = {255},
     year = {1981},
     zbl = {0441.10025},
     url = {http://geodesic.mathdoc.fr/item/MAN_1981__255_182852/}
}