@article{DBLP:journals/corr/cs-CE-0406021,
author = {Alexandre d'Aspremont and
Laurent El Ghaoui and
Michael I. Jordan and
Gert R. G. Lanckriet},
title = {A direct formulation for sparse PCA using semidefinite programming},
journal = {CoRR},
volume = {cs.CE/0406021},
year = {2004},
ee = {http://arxiv.org/abs/cs.CE/0406021},
bibsource = {DBLP, http://dblp.uni-trier.de}
}