TY - JOUR AU - Mehl, Christian AU - Mehrmann, Volker AU - Xu, Hongguo TI - Canonical forms for doubly structured matrices and pencils JO - The electronic journal of linear algebra PY - 2000 SP - 112 EP - 151 VL - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ELA_2000__7__a4/ LA - en ID - ELA_2000__7__a4 ER -