@article{MAN_1938__115_159956,
     author = {K. Stellmacher},
     title = {Zum {Anfangswertproblem} der {Gravitationsgleichungen}},
     journal = {Mathematische Annalen},
     pages = {136--152},
     year = {1938},
     volume = {115},
     zbl = {63.0704.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1938__115_159956/}
}