@article{MAN_1932__106_159548,
     author = {F. Klein},
     title = {\"Uber einen {Zerlegungssatz} in der {Theorie} der abstrakten {Verkn\"upfungen}},
     journal = {Mathematische Annalen},
     pages = {CXIV--CXXX},
     publisher = {mathdoc},
     volume = {106},
     year = {1932},
     zbl = {0003.29102},
     url = {http://geodesic.mathdoc.fr/item/MAN_1932__106_159548/}
}