%0 Journal Article %A M. D. Kovalev %T On the geometric definition of the hinge mechanism, Kempe's theorem and overripe mathematics %J Sibirskij žurnal industrialʹnoj matematiki %D 2022 %P 41-54 %V 25 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJIM_2022_25_3_a4/ %G ru %F SJIM_2022_25_3_a4