@article{10_4064_cm_49_2_143_160,
     author = {L. Szczepanik},
     title = {Quadratic form schemes with non-trivial radical},
     journal = {Colloquium Mathematicum},
     pages = {143--160},
     publisher = {mathdoc},
     volume = {49},
     number = {2},
     year = {1984},
     doi = {10.4064/cm-49-2-143-160},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-49-2-143-160/}
}