%0 Journal Article %A A. S. Alekseev %T A certain property of periodic motions of a single-circuit nonlinear pulse system with an integrating network %J Doklady Akademii Nauk %D 1969 %P 307-308 %V 184 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_184_2_a12/ %G ru %F DAN_1969_184_2_a12