TY  - BOOK
AU  - Behrndt, Jussi  
AU  - Hassi, Seppo 
AU  - Snoo, Henk de  
TI  - Boundary value problems, weyl functions, and differential operators
T2  - Amann, Herbert
SN  - 9783030367138
U1  - 515.35 B3962b 
PY  - 2020///
CY  - Switzerland
PB  - Springer
KW  - Boundary value problems
KW  - Weyl theory
KW  - Differential operators
ER  -