@article{MET_1983__30_175896,
     author = {Th. Pfaff},
     title = {Third-Order {Optimum} {Properties} of {Estimator-Sequences.}},
     journal = {Metrika},
     pages = {125--138},
     publisher = {mathdoc},
     volume = {30},
     year = {1983},
     zbl = {0528.62022},
     url = {http://geodesic.mathdoc.fr/item/MET_1983__30_175896/}
}