%0 Journal Article %A Ya. Z. Tsypkin %T The effect of random interference on a periodic state in relay automatic systems %J Doklady Akademii Nauk %D 1961 %P 570-573 %V 139 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_139_3_a14/ %G ru %F DAN_1961_139_3_a14