@article{ELA_2000__7__a4,
     author = {Mehl, Christian and Mehrmann, Volker and Xu, Hongguo},
     title = {Canonical forms for doubly structured matrices and pencils},
     journal = {The electronic journal of linear algebra},
     pages = {112--151},
     publisher = {mathdoc},
     volume = {7},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2000__7__a4/}
}