%0 Journal Article %A V. I. Maksimov %T Calculation of the derivative of an inaccurately defined function by means of feedback laws %J Informatics and Automation %D 2015 %P 231-243 %V 291 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_2015_291_a16/ %G ru %F TRSPY_2015_291_a16