@article{10_14708_ma_v35i49_08_1388,
     author = {Teresa Ledwina},
     title = {On the asymptotic efficiency of estimators},
     journal = {Mathematica Applicanda},
     pages = { 66--83},
     publisher = {mathdoc},
     volume = {35},
     number = {49/08},
     year = {2007},
     doi = {10.14708/ma.v35i49/08.1388},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v35i49/08.1388/}
}