@article{MOMA_1973__77_177633, author = {Gerd Wegner}, title = {Ein ebenes {Transversalenproblem.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {72--81}, publisher = {mathdoc}, volume = {77}, year = {1973}, zbl = {0256.52008}, url = {http://geodesic.mathdoc.fr/item/MOMA_1973__77_177633/} }