Pattanaik, P. K. Risk inpersonality, and the social welfare function / P. K. Pattanaik - New Delhi : Delhi School of Economics (DSE) , 1966 - 27p. : ill. ; 30 cm. - Working paper No. 15 . Includes bibliographical references. Subjects--Topical Terms: Social welfareRisk Gov. Doc. Class. No.: IN Del. U DSE DE WP-15