@article{ETNA_2013__40__a24,
     author = {Vandebril,  Raf and Watkins,  David S.},
     title = {An extension of the {\(QZ\)} algorithm beyond the {Hessenberg-upper} triangular pencil},
     journal = {Electronic transactions on numerical analysis},
     pages = {17--35},
     year = {2013},
     volume = {40},
     zbl = {1288.65053},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2013__40__a24/}
}