@article{MOMA_1977__84_177845,
     author = {G\"unther Karigl},
     title = {Die {Verb\"ande} mit nichteinfacher {Funktionenalgebra.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {289--302},
     year = {1977},
     volume = {84},
     zbl = {0377.08002},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1977__84_177845/}
}