%0 Journal Article %A A. Vagharshakyan %T Relationship between discrete and continuous time systems %J Zapiski Nauchnykh Seminarov POMI %D 2003 %P 71-88 %V 303 %U http://geodesic.mathdoc.fr/item/ZNSL_2003_303_a2/ %G ru %F ZNSL_2003_303_a2