@article{MAN_1969__181_161816, author = {M.D. GEBHARDTS}, title = {Schr\"agverb\"ande und {Quasiordnungen.}}, journal = {Mathematische Annalen}, pages = {65--73}, publisher = {mathdoc}, volume = {181}, year = {1969}, url = {http://geodesic.mathdoc.fr/item/MAN_1969__181_161816/} }