@article{1183744877,
author = {Hjorth, Greg and Kechris, Alexander S.},
title = {Analytic Equivalence Relations and Ulm-Type Classifications},
journal = {J. Symbolic Logic},
volume = {60},
number = {1},
year = {1995},
pages = { 1273-1300},
language = {en},
url = {http://dml.mathdoc.fr/item/1183744877}
}
Hjorth, Greg; Kechris, Alexander S. Analytic Equivalence Relations and Ulm-Type Classifications. J. Symbolic Logic, Tome 60 (1995) no. 1, pp. 1273-1300. http://gdmltest.u-ga.fr/item/1183744877/