@article{ELMA_1962__17_140736,
     author = {P. L\"auchli},
     title = {Schaltalgebra.},
     journal = {Elemente der Mathematik},
     pages = {3--12},
     year = {1962},
     volume = {17},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1962__17_140736/}
}