Voir la notice de l'article provenant de la source The Polish Digital Mathematics Library
@article{CC_2008_37_3_a2, author = {Duda, Zdzis{\l}aw}, title = {On some nonconventional problem of a state filtration}, journal = {Control and Cybernetics}, pages = {531--547}, publisher = {mathdoc}, volume = {37}, number = {3}, year = {2008}, zbl = {1177.93079}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CC_2008_37_3_a2/} }
Duda, Zdzisław. On some nonconventional problem of a state filtration. Control and Cybernetics, Tome 37 (2008) no. 3, pp. 531-547. http://geodesic.mathdoc.fr/item/CC_2008_37_3_a2/