TY  - BOOK
AU  - Laberre A E
AU  - Sobolev V J
TI  - Elements of functional analysis
U1  - 515.7 
PY  - 1961///
CY  - N Y
PB  - Frederick Ungar Pub
KW  - Calculus
KW  - Functional analysis
N1  - Tr from Russian
ER  -