@article{MZ_1938__43_168773,
     author = {Dr. Ta-Jen, Hamburg 13, Rothen Wu},
     title = {Integralgeometrie 28. {\"Uber} elliptische {Geometrie}},
     journal = {Mathematische Zeitschrift},
     pages = {495--521},
     publisher = {mathdoc},
     volume = {43},
     year = {1938},
     zbl = {0018.04301},
     url = {http://geodesic.mathdoc.fr/item/MZ_1938__43_168773/}
}