@article{MAN_1970__185_161965,
     author = {P.V. VENKATANARASIMHAN},
     title = {Semi-Ideals in {Posets.}},
     journal = {Mathematische Annalen},
     pages = {338--348},
     publisher = {mathdoc},
     volume = {185},
     year = {1970},
     zbl = {0182.33902},
     url = {http://geodesic.mathdoc.fr/item/MAN_1970__185_161965/}
}