@article{MAN_1928__98_159223,
     author = {S. Bochner},
     title = {Fortsetzung {Riemannscher} {Fl\"achen}},
     journal = {Mathematische Annalen},
     pages = {406--421},
     publisher = {mathdoc},
     volume = {98},
     year = {1928},
     zbl = {53.0322.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1928__98_159223/}
}