@article{M2AN_1972__6_2_9_0,
     author = {Valadier, Michel},
     title = {Sur le filtre de {Kalman-Bucy} en temps continu},
     journal = {Revue fran\c{c}aise d'automatique informatique recherche op\'erationnelle. Math\'ematique},
     pages = {9--22},
     publisher = {Dunod},
     address = {Paris},
     volume = {6},
     number = {R2},
     year = {1972},
     mrnumber = {381807},
     zbl = {0247.62028},
     language = {fr},
     url = {http://archive.numdam.org/item/M2AN_1972__6_2_9_0/}
}