Nagar, A. L. Estimation of the coveriance matrix of structural disturbances in a complete equation system and the bias of the 3 sls / A. L. Nagar - New Delhi : Delhi School of Economics (DSE) , 1968 - 35p. : ill. ; 30 cm. - Working paper No. 35 . Includes bibliographical references. Subjects--Topical Terms: Econometrics--IndiaStatistics Gov. Doc. Class. No.: IN Del. U DSE DE WP-35