@article{ELA_2009__18__a35,
     author = {Xiao, Qing-Feng and Hu, Xi-Yan and Zhang, Lei},
     title = {The symmetric minimal rank solution of the matrix equation $AX=B$ and the optimal approximation},
     journal = {The electronic journal of linear algebra},
     pages = {264--271},
     publisher = {mathdoc},
     volume = {18},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2009__18__a35/}
}