@article{10_21136_CMJ_1975_101330, author = {Hung, Ching-Hsiang and Markham, Thomas L.}, title = {The {Moore-Penrose} inverse of a partitioned matrix $M=\begin{pmatrix} A & 0 \\ B & C \end{pmatrix}$}, journal = {Czechoslovak Mathematical Journal}, pages = {354--361}, publisher = {mathdoc}, volume = {25}, number = {3}, year = {1975}, doi = {10.21136/CMJ.1975.101330}, mrnumber = {0387302}, zbl = {0335.15007}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1975.101330/} }