@article{10_4153_CMB_1973_001_4,
     author = {Ahsanullah, M. and Rahman, M.},
     title = {A {Singular} {Inverse} of a {Matrix} by {Rank} {Annihilation}},
     journal = {Canadian mathematical bulletin},
     pages = {1--4},
     year = {1973},
     volume = {16},
     number = {1},
     doi = {10.4153/CMB-1973-001-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-001-4/}
}