@article{10_4064_cm112_2_2,
     author = {A. Bia{\l}ynicki-Birula and A. Schinzel},
     title = {Representations of multivariate polynomials by
 sums of univariate polynomials in linear forms},
     journal = {Colloquium Mathematicum},
     pages = {201--233},
     publisher = {mathdoc},
     volume = {112},
     number = {2},
     year = {2008},
     doi = {10.4064/cm112-2-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm112-2-2/}
}