@article{CMH_1960__34_139199,
     author = {W. Graeub},
     title = {Tensorielle {Abbildungen.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {313--328},
     publisher = {mathdoc},
     volume = {34},
     year = {1960},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/CMH_1960__34_139199/}
}