TY  - DATA
AU  - Stefan Bergman
TI  - Integral Operators in the Theory of Linear Partial Differential Equations
SN  - 9783642649851
PY  - 1961///
PB  - Springer Berlin Heidelberg
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/978-3-642-64985-1
ER  -