TY - JOUR AU - E. A. Mikishanina TI - Nonholonomic mechanical systems on a plane with a variable slope JO - Žurnal Srednevolžskogo matematičeskogo obŝestva PY - 2023 SP - 326 EP - 341 VL - 25 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SVMO_2023_25_4_a7/ LA - ru ID - SVMO_2023_25_4_a7 ER -