TY - JOUR AU - Lidia Hügel AU - Helmut Valenta TI - A duality result for almost split sequences JO - Colloquium Mathematicum PY - 1999 SP - 267 EP - 292 VL - 80 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-80-2-267-292/ DO - 10.4064/cm-80-2-267-292 LA - en ID - 10_4064_cm_80_2_267_292 ER -