@article{MOMA_1949__53_176809,
     author = {Hans Robert M\"uller},
     title = {Die {B\"oschungslinien} des elliptischen {Raumes.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {151--164},
     publisher = {mathdoc},
     volume = {53},
     year = {1949},
     zbl = {0035.37902},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1949__53_176809/}
}