%0 Journal Article %A B. N. Petrov %A E. D. Teryaev %A B. M. Shamrikov %T Conditions of parametric identifiability of controlled objects in closed automatic systems %J Doklady Akademii Nauk %D 1977 %P 1281-1284 %V 232 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_232_6_a12/ %G ru %F DAN_1977_232_6_a12