Least squares (P,Q)-orthogonal symmetric solutions of the matrix equation and its optimal approximation.
Zhao, Lin-Lin ; Chen, Guo-Linag ; Liu, Qing-Bin
ELA. The Electronic Journal of Linear Algebra [electronic only], Tome 20 (2010), p. 537-551 / Harvested from The Electronic Library of Mathematics
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Publié le : 2010-01-01
EUDML-ID : urn:eudml:doc:230464 
@article{05850033,
     title = {Least squares (P,Q)-orthogonal symmetric solutions of the matrix equation and its optimal approximation.},
     journal = {ELA. The Electronic Journal of Linear Algebra [electronic only]},
     volume = {20},
     year = {2010},
     pages = {537-551},
     zbl = {1207.65046},
     language = {en},
     url = {http://dml.mathdoc.fr/item/05850033}
}

Zhao, Lin-Lin; Chen, Guo-Linag; Liu, Qing-Bin. Least squares (P,Q)-orthogonal symmetric solutions of the matrix equation and its optimal approximation.. ELA. The Electronic Journal of Linear Algebra [electronic only], Tome 20 (2010) pp. 537-551. http://gdmltest.u-ga.fr/item/05850033/