@article{MAN_1973__204_162473,
     author = {F. Hirzebruch and W.F. Hammond},
     title = {L-Series, {Modular} {Imbeddings,} and {Signatures.}},
     journal = {Mathematische Annalen},
     pages = {263--270},
     publisher = {mathdoc},
     volume = {204},
     year = {1973},
     zbl = {0245.10017},
     url = {http://geodesic.mathdoc.fr/item/MAN_1973__204_162473/}
}