TY - JOUR AU - Krause, Henning DA - 2009 DP - Universität Paderborn LA - eng M2 - 501 PY - 2009 SN - 0003-889X SP - 501-505 T2 - Archiv der Mathematik TI - On the four terms in the middle theorem for almost split sequences UR - https://nbn-resolving.org/urn:nbn:de:hbz:466:2-1847 Y2 - 2026-01-17T07:29:52 ER -