Title :
Comment on "Nonobservable or noncontrollable analog schemes for the solution of a special class of differential equations\´\´
Author_Institution :
National Research Council, Ottawa, Ontario, Canada
Keywords :
Analog computers; Automatic control; Band pass filters; Computer displays; Differential equations; Oscillators; Power engineering and energy; Power generation; Power harmonic filters;
Journal_Title :
Electronic Computers, IEEE Transactions on
DOI :
10.1109/PGEC.1967.264679
