%0 Journal Article %A Ray, Goshaidas %A Kumar, Anil %T Decentralized adaptive PI control strategies for frequency control of interconnected systems %J Kybernetika %D 1991 %P 458-478 %V 27 %N 5 %U http://geodesic.mathdoc.fr/item/KYB_1991_27_5_a7/ %G en %F KYB_1991_27_5_a7