TY  - JOUR
AU  - S.G. Prabhu Ajgaonkar
TI  - A Contribution to the Theory of Unique Estimators for Horvitz and Thompson's Classes of Linear Estimators
JO  - Metrika
PY  - 1970
SP  - 40
EP  - 47
VL  - 15
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MET_1970__15_175413/
ID  - MET_1970__15_175413
ER  -