TY - JOUR AU - Yu. N. Fedorov TI - Two integrable nonholonomic systems in classical dynamics JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1989 SP - 38 EP - 41 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1989_4_a9/ LA - ru ID - VMUMM_1989_4_a9 ER -