@article{urn:eudml:doc:38770,
title = {Some counterexamples concerning sufficiency and invariance.},
journal = {Extracta Mathematicae},
volume = {10},
year = {1995},
pages = {52-55},
zbl = {0900.62038},
mrnumber = {MR1359592},
language = {en},
url = {http://dml.mathdoc.fr/item/urn:eudml:doc:38770}
}
Berk, R. H.; Nogales, A. G.; Oyola, J. A. Some counterexamples concerning sufficiency and invariance.. Extracta Mathematicae, Tome 10 (1995) pp. 52-55. http://gdmltest.u-ga.fr/item/urn:eudml:doc:38770/