@article{IM_1977__42_142502,
     author = {D. Mumford},
     title = {Hirzebruch's {Proportionality} {Theorem} in the {Non-Compact} {Case.}},
     journal = {Inventiones mathematicae},
     pages = {239--272},
     publisher = {mathdoc},
     volume = {42},
     year = {1977},
     zbl = {0365.14012},
     url = {http://geodesic.mathdoc.fr/item/IM_1977__42_142502/}
}