TY - JOUR AU - A. P. Krishchenko AU - S. B. Tkachev TI - Duality of nonlinear dynamical systems, and the synthesis of observers JO - Differencialʹnye uravneniâ PY - 1999 SP - 649 EP - 663 VL - 35 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1999_35_5_a9/ LA - ru ID - DE_1999_35_5_a9 ER -