@article{DAN_1978_241_4_a8,
     author = {A. A. Kobrinskii},
     title = {On the mechanical properties of manipulation systems},
     journal = {Doklady Akademii Nauk},
     pages = {777--780},
     publisher = {mathdoc},
     volume = {241},
     number = {4},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_241_4_a8/}
}