@article{CSHM_1991_2_1__19_0,
     author = {Roy, Marie-Fran\c{c}oise},
     title = {Introduction \`a la g\'eom\'etrie alg\'ebrique r\'eelle},
     journal = {Cahiers du s\'eminaire d'histoire des math\'ematiques},
     pages = {19--29},
     publisher = {Institut Henri Poincar\'e, S\'eminaire d'histoire des math\'ematiques : Paris},
     volume = {2e s{\'e}rie, 1},
     year = {1991},
     mrnumber = {1122202},
     zbl = {0735.14036},
     language = {fr},
     url = {http://www.numdam.org/item/CSHM_1991_2_1__19_0/}
}