@article{MS2_1959__7_165702,
     author = {Edgar Asplund},
     title = {Inverses of {Matrices} {aij} which {Satisfy}  aij = 0 for j > i+p.},
     journal = {Mathematica Scandinavica},
     pages = {57--60},
     publisher = {mathdoc},
     volume = {7},
     year = {1959},
     zbl = {0093.24102},
     url = {http://geodesic.mathdoc.fr/item/MS2_1959__7_165702/}
}