@article{MAN_1982__259_163628,
     author = {Hans Plesner Jakobsen and Michael Harris},
     title = {Singular {Holomorphic} {Representations} and {Singular} {Modular} {Forms.}},
     journal = {Mathematische Annalen},
     pages = {227--244},
     publisher = {mathdoc},
     volume = {259},
     year = {1982},
     zbl = {0466.32017},
     url = {http://geodesic.mathdoc.fr/item/MAN_1982__259_163628/}
}