@article{MAN_1890__36_157487,
     author = {Wiltheiss},
     title = {Eine besondere {Art} von {Covarianten} bildender {Operation,} {II.}},
     journal = {Mathematische Annalen},
     pages = {134--153},
     publisher = {mathdoc},
     volume = {36},
     year = {1890},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1890__36_157487/}
}