@article{ZNSL_2009_373_a16,
     author = {D. \c{S}tef\u{a}nescu and V. Gerdt and S. Yevlakov},
     title = {Estimations of positive roots of polynomials},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {280--289},
     publisher = {mathdoc},
     volume = {373},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2009_373_a16/}
}