%0 Journal Article %A I. R. Yukhnovskii %T The method of displacements and collective variables %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1975 %P 425-431 %V 136 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1975_136_a32/ %G ru %F TM_1975_136_a32