%0 Journal Article %A E. A. Mikishanina %T Nonholonomic mechanical systems on a plane with a variable slope %J Žurnal Srednevolžskogo matematičeskogo obŝestva %D 2023 %P 326-341 %V 25 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SVMO_2023_25_4_a7/ %G ru %F SVMO_2023_25_4_a7