@article{JTNB_2002__14_2_647_0,
     author = {Andrzej Schinzel},
     title = {On a decomposition of polynomials in several variables},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {647--666},
     publisher = {Universit\'e Bordeaux I},
     volume = {14},
     number = {2},
     year = {2002},
     zbl = {1067.11012},
     mrnumber = {2040699},
     language = {en},
     url = {https://jtnb.centre-mersenne.org/item/JTNB_2002__14_2_647_0/}
}