TY  - BOOK
AU  - Krein, S.G., Petunin, Ju.I.
AU  - Semenov, E.M.
TI  - INTERPOLATION OF LINEAR OPERATORS
SN  - 0 8218 4505 7
U1  - 515.7246 
PY  - 1980///
CY  - 
PB  - American Mathematical Society
ER  -