@article{PSMIR_1972___4_A13_0,
     author = {Raynaud, Michel},
     title = {Anneaux hens\'eliens et approximations},
     journal = {Publications de l'Institut de recherche math\'ematiques de Rennes},
     note = {talk:13},
     pages = {1--9},
     publisher = {D\'epartement de Math\'ematiques et Informatique, Universit\'e de Rennes},
     number = {4},
     year = {1972},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/PSMIR_1972___4_A13_0/}
}