TY  - DATA
AU  - V. I. Smirnov
TI  - Linear Operators and Operator Equations
SN  - 9781475700138
PY  - 1971///
PB  - Springer US
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/978-1-4757-0013-8
ER  -