@article{MZ_1996__223_3_174945,
     author = {Charles Fefferman and Raghavan Narasimhan},
     title = {A local {Bernstein} inequality on real algebraic varieties.},
     journal = {Mathematische Zeitschrift},
     pages = {673--692},
     publisher = {mathdoc},
     volume = {223},
     number = {3},
     year = {1996},
     zbl = {0911.32011},
     url = {http://geodesic.mathdoc.fr/item/MZ_1996__223_3_174945/}
}