@article{01463186,
title = {Signal extraction for a class of nonstationary processes.},
journal = {Portugaliae Mathematica. Nova S\'erie},
volume = {57},
year = {2000},
pages = {49-58},
zbl = {0953.60014},
language = {en},
url = {http://dml.mathdoc.fr/item/01463186}
}
Swift, Randall J. Signal extraction for a class of nonstationary processes.. Portugaliae Mathematica. Nova Série, Tome 57 (2000) pp. 49-58. http://gdmltest.u-ga.fr/item/01463186/