@article{ab3c4135fe2d44f39a0c67534d255320,
title = "Conjugate gradient algorithm for optimization under unitary matrix constraint",
keywords = "Array processing, Optimization, Source separation, Subspace estimation, Unitary matrix constraint, Array processing, Optimization, Source separation, Subspace estimation, Unitary matrix constraint, Array processing, Optimization, Source separation, Subspace estimation, Unitary matrix constraint",
author = "Traian Abrudan and Jan Eriksson and Visa Koivunen",
year = "2009",
language = "English",
volume = "89",
pages = "1704--1714",
journal = "Signal Processing",
issn = "0165-1684",
publisher = "Elsevier",
number = "9",
}