@article {LoVe94,
AUTHOR = {Louveau, Alain and Veli{\v{c}}kovi{\'c}, Boban},
TITLE = {A note on {B}orel equivalence relations},
JOURNAL = {Proc. Amer. Math. Soc.},
FJOURNAL = {Proceedings of the American Mathematical Society},
VOLUME = {120},
YEAR = {1994},
NUMBER = {1},
PAGES = {255--259},
}