@article{KYB_1970__6_4_a1, author = {Bensoussan, Alain}, title = {Statistical problems in {Hilbert} spaces. {Application} to filtering theory}, journal = {Kybernetika}, pages = {--279}, publisher = {mathdoc}, volume = {06}, number = {4}, year = {1970}, mrnumber = {0281529}, zbl = {0198.23202}, language = {en}, url = {http://geodesic.mathdoc.fr/item/KYB_1970__6_4_a1/} }