%0 Journal Article %A A. O. Kazakova %T On an analogy between two plane problems of mechanics in a ring %J Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki %D 2019 %P 211-227 %V 29 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VUU_2019_29_2_a5/ %G ru %F VUU_2019_29_2_a5