Inverses of Matrices $\{a_{ij}\}$ which Satisfy $a_{ij} = 0$ for $j > i+p$.

Asplund, E. (1959). Inverses of Matrices $\{a_{ij}\}$ which Satisfy $a_{ij} = 0$ for $j > i+p$. MATHEMATICA SCANDINAVICA, 7, 57–60. https://doi.org/10.7146/math.scand.a-10561