@techreport{eprints1386, title = {AN ANSCOMBE-TYPE THEOREM}, year = {2012}, institution = {IMT Institute for Advanced Studies Lucca}, type = {Technical Report}, month = {September}, author = {Patrizia Berti and Irene Crimaldi and Luca Pratelli and Pietro Rigo}, keywords = {Anscombe theorem, Exchangeability, Random indices, Random sums, Stable convergence }, url = {http://eprints.imtlucca.it/1386/}, abstract = {Let (X\_n) be a sequence of random variables (with values in a separable metric space) and (N\_n) a sequence of random indices. Conditions for X\_\{N\_n\} to converge stably (in particular, in distribution) are provided. Some examples, where such conditions work but those already existing fail, are given as well.} }