%0 Journal Article %A T. A. Tibilov %T Asymptotic method of investigating transients in nonlinear oscillatory systems %J Doklady Akademii Nauk %D 1963 %P 64-66 %V 153 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_153_1_a15/ %G ru %F DAN_1963_153_1_a15