@article{NUMA_1971__17_132070,
     author = {K. TANABE},
     title = {Projection {Method} for {Solving} a {Singular} {System} of {Linear} {Equations} and its {Applications.}},
     journal = {Numerische Mathematik},
     pages = {203--214},
     publisher = {mathdoc},
     volume = {17},
     year = {1971},
     zbl = {0228.65032},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1971__17_132070/}
}