@article{MAN_1955__129_160437,
     author = {H. Schaefer},
     title = {Positive {Transformationen} in lokalkonvexen halbgeordneten {Vektorr\"aumen.}},
     journal = {Mathematische Annalen},
     pages = {323--329},
     publisher = {mathdoc},
     volume = {129},
     year = {1955},
     zbl = {0064.35702},
     url = {http://geodesic.mathdoc.fr/item/MAN_1955__129_160437/}
}