@article{1177693524, author = {Pfanzagl, J.}, title = {A Counterexample to a Lemma of L. D. Brown}, journal = {Ann. Math. Statist.}, volume = {42}, number = {6}, year = {1971}, pages = { 373-375}, language = {en}, url = {http://dml.mathdoc.fr/item/1177693524} }
Pfanzagl, J. A Counterexample to a Lemma of L. D. Brown. Ann. Math. Statist., Tome 42 (1971) no. 6, pp. 373-375. http://gdmltest.u-ga.fr/item/1177693524/