@article{10_4064_sm_77_2_103_109,
     author = {A. Schinzel},
     title = {Hasse's principle for systems of ternary quadratic forms and for one biquadratic form},
     journal = {Studia Mathematica},
     pages = {103--109},
     publisher = {mathdoc},
     volume = {77},
     number = {2},
     year = {1983},
     doi = {10.4064/sm-77-2-103-109},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-77-2-103-109/}
}