@article{IM_1981__63_142800,
     author = {Michael Harris},
     title = {The {Rationality} of {Holomorphic} {Eisenstein} {Series.}},
     journal = {Inventiones mathematicae},
     pages = {305--310},
     publisher = {mathdoc},
     volume = {63},
     year = {1981},
     zbl = {0452.10031},
     url = {http://geodesic.mathdoc.fr/item/IM_1981__63_142800/}
}