@article{MAN_1977__228_162989,
     author = {M. Koecher and J. Dorfmeister},
     title = {Relative {Invarianten} und nicht-assoziative {Algebren.}},
     journal = {Mathematische Annalen},
     pages = {147--186},
     publisher = {mathdoc},
     volume = {228},
     year = {1977},
     zbl = {0363.22014},
     url = {http://geodesic.mathdoc.fr/item/MAN_1977__228_162989/}
}