@article{MAN_1925__93_159078,
     author = {R. Weitzenb\"ock},
     title = {\"Uber relative {Bewegungsinvarianten}},
     journal = {Mathematische Annalen},
     pages = {54--60},
     publisher = {mathdoc},
     volume = {93},
     year = {1925},
     url = {http://geodesic.mathdoc.fr/item/MAN_1925__93_159078/}
}