%0 Journal Article %A A. N. Pchelintsev %A A. A. Polunovskiy %A I. Yu. Yukhanova %T The harmonic balance method for finding approximate periodic solutions of the Lorenz system %J Vestnik rossijskih universitetov. Matematika %D 2019 %P 187-203 %V 24 %N 126 %I mathdoc %U http://geodesic.mathdoc.fr/item/VTAMU_2019_24_126_a4/ %G ru %F VTAMU_2019_24_126_a4