%0 Journal Article %A P. S. Petrenko %T Observability of linear differential-algebraic equations in the class of Chebyshev functions %J The Bulletin of Irkutsk State University. Series Mathematics %D 2017 %P 61-74 %V 20 %I mathdoc %U http://geodesic.mathdoc.fr/item/IIGUM_2017_20_a4/ %G ru %F IIGUM_2017_20_a4