2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/106064For each r, 0 <= r <= m, it is presented the class of quaternary linear codes LRM(r,m) whose images under the Gray map are binary codes with parameters of Reed-Muller RM(r,m) code of order r.Combinatorics94B05; 94B25text