@article{TRSPY_1975_136_a32, author = {I. R. Yukhnovskii}, title = {The method of displacements and collective variables}, journal = {Informatics and Automation}, pages = {425--431}, publisher = {mathdoc}, volume = {136}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1975_136_a32/} }