Madrid. Espasa-Calpe, 1967. Volume 1: XV + 350 pp. Volume 2: IX + 498 pp. Numerous figures interspersed throughout the text. Part One: Elementary Theory and Problems. Part Two: More Complex Theory and Problems. Traces of adhesive on the endpapers. Stamped bookplate of the previous owner. Stamped signature of the previous owner. Cloth binding with dust jacket.
