2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/124607The contents of this paper has been incorporated into math.CO/0308288.The contents of this paper has been incorporated into math.CO/0308288Combinatorics51E21 (Primary) 05B25, 51A45 (Secondary)Blocking sets in small finite linear spaces IItext