@article{DAN_1979_245_3_a6, author = {A. A. Kobrinskii}, title = {Algorithmic properties of manipulation systems}, journal = {Doklady Akademii Nauk}, pages = {540--543}, publisher = {mathdoc}, volume = {245}, number = {3}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1979_245_3_a6/} }