TY - JOUR AU - Yu. V. Bolotin AU - S. N. Morgunova TI - On the observability of mechanical systems based on angular measurements JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2000 SP - 34 EP - 38 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2000_4_a7/ LA - ru ID - VMUMM_2000_4_a7 ER -