@article{JRAM_1968__232_150883,
     author = {Harald Scheid},
     title = {Arithmetische {Funktionen} \"uber {Halbordnungen.} {II.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {207--220},
     publisher = {mathdoc},
     volume = {232},
     year = {1968},
     zbl = {0165.05803},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1968__232_150883/}
}