TY  - BOOK
AU  - Ovchinnikov Sergei
TI  - Functional analysis: An introductory course
T2  - Universitext
SN  - 9783319915111 (pbk)
U1  - B43, Q8 
PY  - 2018///
CY  - Switzerland
PB  - Springer       
KW  -  Hilbert spaces
KW  -  Linear functionals
KW  -  Metric spaces
KW  - Mathematics
N1  - Index 193-199p.; References 201p.; Index 203-206p
ER  -