@article{MZ_1924__20_167793,
     author = {E. Waelsch},
     title = {Zur {Tensoralgebra}},
     journal = {Mathematische Zeitschrift},
     pages = {188--192},
     publisher = {mathdoc},
     volume = {20},
     year = {1924},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1924__20_167793/}
}