%0 Journal Article %A I. I. Artobolevsky %A V. S. Loshchinin %T An iteration procedure for calculating the characteristic criterion of a periodic limiting motion of a machine unit %J Doklady Akademii Nauk %D 1969 %P 529-532 %V 186 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_186_3_a10/ %G ru %F DAN_1969_186_3_a10