@article{MZ_1954__61_169475,
     author = {Max Koecher},
     title = {Zur {Theorie} der {Modulformen} n-ten {Grades.} {II.}},
     journal = {Mathematische Zeitschrift},
     pages = {455--466},
     publisher = {mathdoc},
     volume = {61},
     year = {1954},
     zbl = {0064.32801},
     url = {http://geodesic.mathdoc.fr/item/MZ_1954__61_169475/}
}