@book{UBHD-3503632, title={System no. 2640 - 2642}, publisher={Springer}, address={Berlin ; Heidelberg}, year={1987}, pages={XIX, 889 S.}, language={eng}, isbn={3-540-17711-6 and 0-387-17711-6 and 978-3-540-17711-1 and 978-0-387-17711-3}, library={UB [Signatur: UBN/VA 1060::S5:18,10 (18,10)]}, }