@article{SMJ2_2003_29_2_a6,
     author = {Kostov, Vladimir},
     title = {On a {Stratification} {Defined} by {Real} {Roots} of {Polynomials}},
     journal = {Serdica Mathematical Journal},
     pages = {177--186},
     publisher = {mathdoc},
     volume = {29},
     number = {2},
     year = {2003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_2003_29_2_a6/}
}