@article{MZ_1967__99_170786, author = {Takeo Nakano}, title = {Rings and {Partly} {Ordered} {Systems.}}, journal = {Mathematische Zeitschrift}, pages = {355--376}, publisher = {mathdoc}, volume = {99}, year = {1967}, zbl = {0149.27702}, url = {http://geodesic.mathdoc.fr/item/MZ_1967__99_170786/} }