TY - JOUR AU - Grabowski, Piotr TI - Comparison of direct and perturbation approaches to analysis of infinite-dimensional feedback control systems JO - International Journal of Applied Mathematics and Computer Science PY - 2021 SP - 195 EP - 218 VL - 31 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IJAMCS_2021_31_2_a1/ LA - en ID - IJAMCS_2021_31_2_a1 ER -