@article{NKGWGUG_1888__1888_180177,
     author = {F. Kielhorn},
     title = {The {Initial} {Point} of the {Ch\^edi} {Era}},
     journal = {Nachrichten von der K\"onigl. Gesellschaft der Wissenschaften und der Georg-Augusts-Universit\"at zu G\"ottingen},
     pages = {31--41},
     publisher = {mathdoc},
     volume = {1888},
     year = {1888},
     url = {http://geodesic.mathdoc.fr/item/NKGWGUG_1888__1888_180177/}
}