TY - JOUR AU - Ringel, Claus Michael TI - The multisegment duality and the preprojective algebras of type . JO - AMA. Algebra Montpellier Announcements [electronic only] PY - 1999 SP - Paper No. 2, 6 p. VL - 1999 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AMA_1999__1999_1_122548/ LA - en ID - AMA_1999__1999_1_122548 ER -