@article{JRAM_1968__231_150865,
     author = {Hans Pettersson},
     title = {\"Uber {Differentialoperatoren} und die {Kroneckersche} {Potenzdarstellung} bei automorphen {Formen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {163--191},
     publisher = {mathdoc},
     volume = {231},
     year = {1968},
     zbl = {0164.38402},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1968__231_150865/}
}