@article{MZ_1940__46_168914, author = {F., Klein-Barmen}, title = {\"Uber eine weitere {Verallgemeinerung} des {Verbandsbegriffes}}, journal = {Mathematische Zeitschrift}, pages = {472--480}, publisher = {mathdoc}, volume = {46}, year = {1940}, zbl = {66.0100.02}, url = {http://geodesic.mathdoc.fr/item/MZ_1940__46_168914/} }