@article{1183743026,
author = {Kechris, Alexander S. and Marker, David and Sami, Ramez L.},
title = {$\Pi^1\_1$ Borel Sets},
journal = {J. Symbolic Logic},
volume = {54},
number = {1},
year = {1989},
pages = { 915-920},
language = {en},
url = {http://dml.mathdoc.fr/item/1183743026}
}
Kechris, Alexander S.; Marker, David; Sami, Ramez L. $\Pi^1_1$ Borel Sets. J. Symbolic Logic, Tome 54 (1989) no. 1, pp. 915-920. http://gdmltest.u-ga.fr/item/1183743026/