Mahmood Alizadeh, Mahmood, and Farshin Hormozi-nejad. “MINIMUM COMPLEXITY AND LOW-WEIGHT NORMAL POLYNOMIALS OVER FINITE FIELDS”. Italian Journal of Pure and Applied Mathematics, vol. 33, Dec. 2014, pp. 107-22, https://journals.uniurb.it/index.php/ijpam/article/view/6260.