@article{MZ_1953__59_169369,
     author = {F. Wenzl},
     title = {Nullstellendichte reeller {Polynome} und {Tschebyscheffsche} {Approximation.}},
     journal = {Mathematische Zeitschrift},
     pages = {17--39},
     publisher = {mathdoc},
     volume = {59},
     year = {1953},
     zbl = {0051.05003},
     url = {http://geodesic.mathdoc.fr/item/MZ_1953__59_169369/}
}