@article{PORMA_2004__61_1_50967,
     author = {Gallardo, Luis},
     title = {Waring's problem for polynomial cubes and squares over a finite field with odd characteristic.},
     journal = {Portugaliae mathematica},
     pages = {35--49},
     publisher = {mathdoc},
     volume = {61},
     number = {1},
     year = {2004},
     zbl = {1048.11099},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_2004__61_1_50967/}
}