A Note on a Generalized Inverse of a Matrix with Applications to Problems in Mathematical Statistics

A generalized inverse for matrices

1955 • 4,215 citations

On Rings of Operators

1936 • 1,314 citations

The Pseudoinverse of a Rectangular or Singular Matrix and Its Application to the Solution of Systems of Linear Equations

1959 • 242 citations

Rectangular reciprocal matrices, with special reference to geodetic calculations

1951 • 109 citations

Estimation of Missing Values for the Analysis of Incomplete Data

1958 • 75 citations