@article{02042857,
title = {Optimal subspaces and constrained principal component analysis.},
journal = {ELA. The Electronic Journal of Linear Algebra [electronic only]},
volume = {10},
year = {2003},
pages = {201-211},
zbl = {1043.15002},
language = {en},
url = {http://dml.mathdoc.fr/item/02042857}
}
Rolle, Jean-Daniel. Optimal subspaces and constrained principal component analysis.. ELA. The Electronic Journal of Linear Algebra [electronic only], Tome 10 (2003) pp. 201-211. http://gdmltest.u-ga.fr/item/02042857/