@article{RMC_2007_2007_1_a20,
     author = {Losik, Mark and  Rainer, Armin},
     title = {Choosing roots of polynomials with symmetries smoothly.},
     journal = {Revista matem\'atica complutense},
     pages = {267-291},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RMC_2007_2007_1_a20/}
}