@article{MAN_1888__31_157342, author = {Lilienthal}, title = {Ueber eine besondere {Art} von {Strahlensystemen}}, journal = {Mathematische Annalen}, pages = {85--95}, publisher = {mathdoc}, volume = {31}, year = {1888}, language = {de}, url = {http://geodesic.mathdoc.fr/item/MAN_1888__31_157342/} }