@article{JRAM_1974__0268_0269_151481,
     author = {Uwe Peter Tietze},
     title = {Zur {Theorie} quadratischer {Formen} \"uber {K\"orpern} der {Charakteristik} 2.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {388--390},
     publisher = {mathdoc},
     volume = {0268_0269},
     year = {1974},
     zbl = {0293.15025},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1974__0268_0269_151481/}
}