Graaff, J. de V. Theoretical welfare economics, by J. de V. Graaff. - London, Cambridge U.P., 1967. - xii, 178 p. diagrs. 22 cm. Bibliographical footnotes. LCCN: 68079887 Nat. Bib. No.: B67-25801 Subjects--Topical Terms: Welfare economics. LC Class. No.: HB99.3 / .G7 1967 Dewey Class. No.: 330.15