@article{MOMA_1961__65_177144, author = {Wolfgang Str\"oher}, title = {Zur {Kinematik} der fl\"achentreuen {Affinit\"aten} mit fixem {Ursprung.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {358--365}, publisher = {mathdoc}, volume = {65}, year = {1961}, zbl = {0100.17302}, url = {http://geodesic.mathdoc.fr/item/MOMA_1961__65_177144/} }