@article{10_4153_CMB_1998_027_8,
     author = {Krupnik, Ilya and Lancaster, Peter},
     title = {Minimal {Pencil} {Realizations} of {Rational} {Matrix} {Functions} with {Symmetries}},
     journal = {Canadian mathematical bulletin},
     pages = {178--186},
     year = {1998},
     volume = {41},
     number = {2},
     doi = {10.4153/CMB-1998-027-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1998-027-8/}
}