TY  - BOOK
AU  - Ibragimov,I.A.
AU  - Has'minskii,R.Z.(Rafail Zalmanovich).
TI  - Statistical estimation: asymptotic theory 
PY  - 1981///
CY  - New York
PB  - Springer-Verlag
KW  - Asymptotic expansions
N1  - Translation of Asimptoticheskaia teoriia otsenivaniia
ER  -