@article{MZ_1933__37_168425,
     author = {E. Landau and H. Heilbronn},
     title = {Bemerkungen  zur vorstehenden {Arbeit} von {Herrn} {Bochner.}},
     journal = {Mathematische Zeitschrift},
     pages = {10--16},
     year = {1933},
     volume = {37},
     zbl = {59.0252.02},
     url = {http://geodesic.mathdoc.fr/item/MZ_1933__37_168425/}
}