@article{IM_1980__61_142758, author = {V. Navarro Aznar}, title = {Conditions de {Whitney} et sections planes.}, journal = {Inventiones mathematicae}, pages = {199--226}, publisher = {mathdoc}, volume = {61}, year = {1980}, zbl = {0449.32013}, url = {http://geodesic.mathdoc.fr/item/IM_1980__61_142758/} }