@article{MZ_1952__56_169287,
     author = {Kurt Heegner},
     title = {Diophantische {Analysis} und {Modulfunktionen.}},
     journal = {Mathematische Zeitschrift},
     pages = {227--253},
     publisher = {mathdoc},
     volume = {56},
     year = {1952},
     zbl = {0049.16202},
     url = {http://geodesic.mathdoc.fr/item/MZ_1952__56_169287/}
}