%0 Journal Article %A Ya. Z. Tsypkin %T The theory of pulse automatic systems with amplitude-pulse modulation of the second kind %J Doklady Akademii Nauk %D 1961 %P 834-837 %V 139 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_139_4_a16/ %G ru %F DAN_1961_139_4_a16