TY - CHAP A1 - Koch, Helmut T1 - Mathematik Y1 - 2006 UR - https://edoc.bbaw.de/frontdoor/index/index/docId/257 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b4360-1001735 UR - http://edoc.bbaw.de/oa/series/ren2T0S70UC2/PDF/24L7Ia44iN3YQ_216.pdf SN - 3-05-003270-7 ER -