%0 Journal Article %T Sums of seventh powers in the ring of polynomials over the finite field with four elements %A M. Car %J ACTA MATHEMATICA UNIVERSITATIS COMENIANAE %D 2013 %I Acta Mathematica Universitatis Comenianae %X We study representations of polynomials P F4[T] as sums P = X17 + . . . + Xs7. %K Waring's problem %K polynomials. %U http://www.emis.de/journals/AMUC/_vol-82/_no_1/_car/car.html