Arithmetic of Finite Fields 7th International Workshop, WAIFI 2018, Bergen, Norway, June 14-16, 2018, Revised Selected Papers - Budaghyan, Lilya; Budaghyan, Lilya; Rodríguez-Henríquez, Francisco; Rodríguez-Henríquez, Francisco (Springer International Publishing : Imprint: Springer, 2018)