@article{GDZPPN002400162, title = {Rings and Partly Ordered Systems.}, journal = {Mathematische Zeitschrift}, volume = {99}, year = {1967}, pages = {355-376}, zbl = {0149.27702}, url = {http://dml.mathdoc.fr/item/GDZPPN002400162} }
Nakano, Takeo. Rings and Partly Ordered Systems.. Mathematische Zeitschrift, Tome 99 (1967) pp. 355-376. http://gdmltest.u-ga.fr/item/GDZPPN002400162/