@article{ETNA_2014__42__a1,
     author = {Malyshev,  Alexander and Sadkane,  Miloud},
     title = {On the computation of the distance to quadratic matrix polynomials that are singular at some points on the unit circle},
     journal = {Electronic transactions on numerical analysis},
     pages = {165--176},
     year = {2014},
     volume = {42},
     zbl = {1312.65073},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2014__42__a1/}
}