Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{KYB_1990__26_1_a2, author = {\v{S}t\v{e}p\'an, Jarom{\'\i}r}, title = {The uncertainty problem in control theory. {I.} {Models} of theories}, journal = {Kybernetika}, pages = {31--46}, publisher = {mathdoc}, volume = {26}, number = {1}, year = {1990}, mrnumber = {1042230}, zbl = {0717.93015}, language = {en}, url = {http://geodesic.mathdoc.fr/item/KYB_1990__26_1_a2/} }
Štěpán, Jaromír. The uncertainty problem in control theory. I. Models of theories. Kybernetika, Tome 26 (1990) no. 1, pp. 31-46. http://geodesic.mathdoc.fr/item/KYB_1990__26_1_a2/