@article{ASENS_2003_4_36_5_685_0,
     author = {Bochnak, Jacek and Kucharz, Wojciech},
     title = {On approximation of smooth submanifolds by nonsingular real algebraic subvarieties},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {685--690},
     publisher = {Elsevier},
     volume = {Ser. 4, 36},
     number = {5},
     year = {2003},
     doi = {10.1016/j.ansens.2003.04.001},
     mrnumber = {2032984},
     zbl = {1063.14073},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.ansens.2003.04.001/}
}