1. Semiparametric Efficiency in Multivariate Regression Models with Missing Data
James M. Robins and Andrea Rotnitzky
Journal of the American Statistical Association
Vol. 90, No. 429 (Mar., 1995), pp. 122-129
(article consists of 8 pages)
Published by: American Statistical Association
Stable URL: http://www.jstor.org/stable/2291135