TY - JOUR AU - Kaczorek, T. TI - Reduced-order perfect nonlinear observers of fractional descriptor discrete-time nonlinear systems JO - International Journal of Applied Mathematics and Computer Science PY - 2017 SP - 245 EP - 251 VL - 27 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IJAMCS_2017_27_2_a1/ LA - en ID - IJAMCS_2017_27_2_a1 ER -