@article{MAN_1902__55_158027,
     author = {Ph. Maennchen},
     title = {Zur {Theorie} der trilinearen tern\"aren {Form.}},
     journal = {Mathematische Annalen},
     pages = {81--85},
     publisher = {mathdoc},
     volume = {55},
     year = {1902},
     zbl = {32.0122.04},
     url = {http://geodesic.mathdoc.fr/item/MAN_1902__55_158027/}
}