Gallardo, Luis H. Every polynomial over a finite field of even cardinal \(q>4\) is a strict sum of four cubes and one expression \(A^2+A\). (English) Zbl 1234.11161 J. Comb. Number Theory 1, No. 3, 213-224 (2009). MSC: 11T55 11T06 PDFBibTeX XMLCite \textit{L. H. Gallardo}, J. Comb. Number Theory 1, No. 3, 213--224 (2009; Zbl 1234.11161)
Gallardo, Luis H. Every polynomial over a field containing \(\mathbb F_{16}\) is a strict sum of four cubes and one expression \(A^2+A\). (English) Zbl 1172.11044 Bull. Korean Math. Soc. 46, No. 5, 941-947 (2009). MSC: 11T55 11T06 PDFBibTeX XMLCite \textit{L. H. Gallardo}, Bull. Korean Math. Soc. 46, No. 5, 941--947 (2009; Zbl 1172.11044) Full Text: DOI