@article{MAN_1898__50_157899,
     author = {Alfred Loewy},
     title = {Ueber bilineare {Formen} mit conjugirt imagin\"aren {Variablen}},
     journal = {Mathematische Annalen},
     pages = {557--576},
     year = {1898},
     volume = {50},
     zbl = {29.0094.04},
     url = {http://geodesic.mathdoc.fr/item/MAN_1898__50_157899/}
}