@article{05935716,
title = {Minimization of constrained quadratic forms in Hilbert spaces.},
journal = {Annals of Functional Analysis (AFA) [electronic only]},
volume = {2},
year = {2011},
pages = {1-12},
zbl = {1219.47005},
language = {en},
url = {http://dml.mathdoc.fr/item/05935716}
}
Pappas, Dimitrios. Minimization of constrained quadratic forms in Hilbert spaces.. Annals of Functional Analysis (AFA) [electronic only], Tome 2 (2011) pp. 1-12. http://gdmltest.u-ga.fr/item/05935716/