TY - JOUR AU - Ya. V. Tatarinov TI - Universal characteristic function and the moving frame method in the dynamics of systems with nonintegrable constraints JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1989 SP - 60 EP - 66 IS - 2 UR - http://geodesic.mathdoc.fr/item/VMUMM_1989_2_a16/ LA - ru ID - VMUMM_1989_2_a16 ER -