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