@book{UBHD-3603059, title={Foundations of the classical theory}, publisher={Springer}, address={Berlin ; Heidelberg}, year={1992}, pages={259 S.}, language={eng}, isbn={3-540-52002-3 and 0-387-52002-3 and 978-0-387-52002-5 and 978-3-540-52002-3}, number={ARRAY(0x55a53c93b018)}, series={Encyclopaedia of mathematical sciences}, keywords={Partielle Differentialgleichung}, library={UB [Signatur: UBN/SC 400 E31-1] ; MA [Signatur: Parti::1]}, }