@article{CMH_1959__33_139169,
     author = {H. Whitney and F. Bruhat},
     title = {Quelques propri\'et\'es fondamentales des ensembles analytiques-r\'eels.},
     journal = {Commentarii mathematici Helvetici},
     pages = {132--160},
     publisher = {mathdoc},
     volume = {33},
     year = {1959},
     zbl = {0100.08101},
     url = {http://geodesic.mathdoc.fr/item/CMH_1959__33_139169/}
}