TY - JOUR AU - Mitkowski, Wojciech TI - Analysis of undamped second order systems with dynamic feedback JO - Control and Cybernetics PY - 2004 SP - 563 EP - 572 VL - 33 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CC_2004_33_4_a3/ LA - en ID - CC_2004_33_4_a3 ER -