Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{KYB_1991__27_3_a2, author = {Fliess, Michel}, title = {A simple definition of hidden modes, poles and zeros}, journal = {Kybernetika}, pages = {186--189}, publisher = {mathdoc}, volume = {27}, number = {3}, year = {1991}, mrnumber = {1116832}, zbl = {0746.93037}, language = {en}, url = {http://geodesic.mathdoc.fr/item/KYB_1991__27_3_a2/} }
Fliess, Michel. A simple definition of hidden modes, poles and zeros. Kybernetika, Tome 27 (1991) no. 3, pp. 186-189. http://geodesic.mathdoc.fr/item/KYB_1991__27_3_a2/