%0 Journal Article %A Štěpán, Jaromír %T Some problems of system identification %J Kybernetika %D 1971 %P -155 %V 07 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1971__7_2_a4/ %G en %F KYB_1971__7_2_a4