@article{CM_1979__38_3_299_0,
     author = {Tong, Yue Lin Lawrence},
     title = {Weighted intersection numbers on {Hilbert} modular surfaces},
     journal = {Compositio Mathematica},
     pages = {299--310},
     publisher = {Sijthoff et Noordhoff International Publishers},
     volume = {38},
     number = {3},
     year = {1979},
     mrnumber = {535073},
     zbl = {0409.10017},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1979__38_3_299_0/}
}