TY - JOUR AU - V. I. Maksimov TI - Calculation of the derivative of an inaccurately defined function by means of feedback laws JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2015 SP - 231 EP - 243 VL - 291 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_2015_291_a16/ LA - ru ID - TM_2015_291_a16 ER -