%A T.F. Filippova
%A A.B. Kurzhanski
%A K. Sugimoto
%A I. Valyi
%J Journal of Mathematical Systems, Estimation, and Control
%T Ellipsoidal calculus, singular perturbations and the state estimation problems for uncertain systems
%N 3
%P 323-338
%V 6
%D 1996
%I Birkhauser Verlag
%L iiasa4689