@article{10_4153_CMB_2016_079_1,
     author = {Kurdyka, Krzysztof and Paunescu, Laurentiu},
     title = {Nuij {Type} {Pencils} of {Hyperbolic} {Polynomials}},
     journal = {Canadian mathematical bulletin},
     pages = {561--570},
     year = {2017},
     volume = {60},
     number = {3},
     doi = {10.4153/CMB-2016-079-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2016-079-1/}
}