public IEnumerable <GetAuthorView> GetAuthorsNotExistInMagazine(GetMagazineView magazine)
        {
            var magazineMapped = Mapper.Map <GetMagazineView, Magazine>(magazine);
            var authors        = magazineRepository.GetAuthorsNotExistInMagazine(magazineMapped);
            var authorsMapped  = Mapper.Map <IEnumerable <Author>, IEnumerable <GetAuthorView> >(authors);

            return(authorsMapped);
        }