TY  - BOOK
AU  - Groetsch,C.W.
TI  - Generalized inverses of linear operators: representation and approximation 
SN  - 0824766156 :
U1  - 517.7 
PY  - 1977///
CY  - New York
PB  - M. Dekker
KW  - Linear operators
KW  - Generalized inverses
KW  - Approximation theory
KW  - Hilbert space
N1  - Includes index; Bibliography: p. 145-161
ER  -